BOSTON: Dozens of explosions, apparently triggered by a natural gas pipeline rupture, rocked three communities near Boston on Thursday, killing at least one person, injuring 12 and prompting the evacuation of hundreds, officials said.

The blasts left dozens of homes and other buildings demolished or engulfed in flames as firefighters from some 50 departments raced for hours from one blaze to another and utility crews rushed to shut off gas and electricity in the area to prevent further ignitions.

Police drove up and down streets with bull horns telling residents to vacate their homes immediately.

Fire investigators suspected "over-pressurization of a gas main" belonging to Columbia Gas of Massachusetts led to the series of explosions and fires, Andover Fire Chief Michael Mansfield told a news conference.

Columbia Gas, a unit of the utility giant NiSource Inc, announced earlier on Thursday that it would be upgrading gas lines in neighborhoods across the state, including the area where the explosions occurred. However, it was not immediately known whether any work was being done in those communities at the time.

"Columbia Gas is investigating what happened on its system today," NiSource spokesman Ken Stammen said.

The US Department of Transportation's Pipeline and Hazardous Materials Safety Administration (PHMSA) said it was sending a team to support the state's emergency response efforts.

The former head of the agency, Brigham McCown, called the series of gas explosions "unprecedented, at least in recent memory."

"I can't think of a series of natural gas-related incidents like this," McCown, who led PHMSA under President George W. Bush, told Reuters by telephone. "We have had similar issues on a much smaller scale."

He said the National Transportation Safety Board was also sending a team headed by its chairman, Robert Sumwalt, to investigate the disaster.

Live TV images showed firefighters battling blazes in the former mill towns of Lawrence, Andover and North Andover, about 25 miles (40 km) north of the Massachusetts capital.

The streets were darkened after nightfall with power cut off to the area as a precaution.

'Overwhelming Event'

Lawrence General Hospital said on its Facebook page it treated 13 people for injuries ranging from smoke inhalation to blast trauma. One of those patients, who was in critical condition, was transported to Massachusetts General Hospital in Boston. Officials told Reuters that patient later died.

At least three people, including one firefighter, were hurt in Andover, the town said in a statement, but it was unclear whether any of those individuals were among the patients treated in Lawrence, some of whom were later released.

"This has been an overwhelming event," Mansfield told reporters, saying that fire companies responding to blazes were putting one house fire out only to discover another house on fire as they finished their work. "This event is not over tonight. This event will probably go on."

Massachusetts State Police said a total of 70 fires, explosions or investigations of gas odor had been reported. Some 50 fire departments responded to the emergency, said John McArdle, fire chief of Plaistow, New Hampshire, which sent a tower ladder and engine crew to the scene.

North Andover resident Laurie Williams, 55, said she drove home from work to find police and fire vehicles blocking streets near her home and learned that three buildings nearby were on fire.

"It was very scary," Williams told Reuters by telephone, saying she could see smoke on the skyline. "My first thought was this is a gas explosion."

State police urged residents served by Columbia Gas to evacuate their homes. Lawrence Mayor Dan Rivera said residents in the southern part of the city had been asked to leave their homes whether or not they were Columbia Gas customers, due to planned power cuts.

Gas utilities have come under heightened scrutiny in recent years for an aging network of pipelines that critics say are not being properly inspected and maintained, posing a growing risk to public safety.

Friday's conflagrations came six years after Columbia Gas accepted blame for a gas explosion in Springfield, Massachusetts, that injured 17 people and caused an estimated $1.3 million in property damage

That occurred when a Columbia Gas technician called to investigate a gas odor at a nightclub accidentally punctured a line, the state Department of Public Utilities said in a report.

courtesy : ndtv.com

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Kozhikode (PTI): Violence erupted overnight at various places across Kerala, particularly in northern districts, following the announcement of local body election results, police said.

In Eramala in Kozhikode district, tension prevailed throughout the night after the Indira Gandhi Bhavan, a Congress office, was allegedly attacked by CPI(M) workers.

According to an FIR registered at Edachery police station, around 200 people marched towards the Congress office carrying dangerous weapons and vandalised the building, causing damage estimated at around Rs five lakh.

A statue of late prime minister Indira Gandhi was also damaged in the attack, police said. Soon after, UDF activists gathered at the spot, further aggravating the situation.

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However, with the deployment of additional police personnel, the situation was brought under control, an officer said.

Police said another violent incident was reported at Marad, where stones were allegedly pelted at a UDF victory procession, leaving several persons injured.

In Sultan Bathery in Wayanad district, police registered a case after a car carrying a UDF activist and his family members was allegedly attacked by around 40 CPI(M) workers, an official said.

Sultan Bathery police also booked UDF activists in a separate incident for allegedly attacking a CPI(M) worker who objected to the bursting of crackers near his house, the officer said.

In Panoor in Kannur district, houses of several Muslim League activists were allegedly attacked by CPI(M) workers. Vehicles parked at the houses were also damaged.

According to Panoor police, the violence broke out after a UDF victory rally was allegedly stopped by CPI(M) workers armed with swords and daggers. Some UDF leaders sustained injuries in the clash.

Clashes were also reported between UDF and LDF workers at Ulikkal in Kannur district, though police intervention brought the situation under control later in the night, an officer in the Ulikkal police station said.

In Bedakom in Kasaragod district, an LDF victory march turned violent after CPI(M) activists allegedly intercepted UDF workers passing through the area. Some policemen who intervened suffered minor injuries, an officer said.

Similar violence was reported from Neyyattinkara in Thiruvananthapuram district following clashes between CPI(M) and BJP workers. Police said workers from both sides sustained minor injuries and were admitted to hospitals. Cases will be registered after formal complaints are received, police said.