San Francisco, July 3 : In yet another privacy goof-up, Facebook has admitted that over 800,000 users were affected by a bug on its platform and Messenger that unblocked some people these users had blocked.

The bug was active between May 29 and June 5 -- and while someone who was unblocked could not see content shared with friends, they could have seen things posted to a wider audience, said Facebook.

"For example pictures shared with friends of friends. We know that the ability to block someone is important -- and we'd like to apologise and explain what happened," Erin Egan, Chief Privacy Officer at Facebook, wrote in a blog post on Tuesday.

When you block someone on Facebook, they cannot see things you post on your profile, start conversations with you on Messenger or add you as a friend. Blocking also automatically unfriends them if you were previously friends.

"In the case of this bug, it did not reinstate any friend connections that had been severed," Egan said.

Nearly 83 per cent of people affected by the bug had only one person they had blocked temporarily unblocked. Someone who was unblocked might have been able to contact people on Messenger who had blocked them, Facebook noted.

The company said the issue has now been fixed and everyone has been blocked again. "People who were affected will get a notification on Facebook encouraging them to check their blocked list," the company said.

Facebook has already been grappling with privacy issues like the Cambridge Analytica data scandal involving 87 million users and another bug that changed 14 million users' privacy setting defaults to public.

"While 800,000 people is just a tiny fraction of the 2.2 billion Facebook user base, that is still a sizable number of affected users who may have been subject to concerning episodes," The Verge reported.

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London, Nov 22: A bomb disposal squad deployed as a “precaution” to the South Terminal of Gatwick Airport concluded an investigation into a "security incident" on Friday after making a “suspect package” safe.

The South Terminal of Gatwick Airport, the UK's second busiest airport after Heathrow, which was briefly shut owing to the incident reopened following the incident.

The Gatwick is around 45 km south of London.

Two people detained during the enquiries have since been allowed to continue their journey as the airport was opened.

“Police have concluded their investigation into a report of a suspect package at Gatwick Airport. Officers from the EOD (Explosive Ordnance Disposal) team made the package safe, and the airport has been handed back to its operator,” Sussex Police said in an updated statement.

“Two people detained while enquiries were ongoing have subsequently been allowed to continue their journeys. There will remain an increased police presence in the area to assist with passengers accessing the South Terminal for onward travel,” the statement added.

Earlier on Friday, the incident caused severe disruption at the busy airport’s South Terminal, while the North Terminal of Gatwick Airport remained unaffected.

“Police were called to the South Terminal at Gatwick Airport at 8.20 am on Friday (November 22) following the discovery of a suspected prohibited item in luggage,” a Sussex Police statement said.

“To ensure the safety of the public, staff and other airport users, a security cordon has been put in place whilst the matter is dealt with. As a precaution, an EOD (Explosive Ordnance Disposal) team is being deployed to the airport. This is causing significant disruption and some roads around the South Terminal have been closed. We’d advise the public to avoid the area where possible,” it said.

Footage on social media taken outside the airport showed crowds of frustrated travellers being moved away from the terminal building.

Gatwick said it was working hard to resolve the issue.

“A large part of the South Terminal has been evacuated as a precaution while we continue to investigate a security incident," the airport said in a social media post.

“Passengers will not be able to enter the South Terminal while this is ongoing. The safety and security of our passengers and staff remain our top priority. We are working hard to resolve the issue as quickly as possible.”

Train and bus services that serve the airport were also impacted while the police carried out their inquiries.

In an unrelated incident in south London on Friday morning, the US Embassy area in Nine Elms by the River Thames was the scene of a controlled explosion by Scotland Yard dealing with what they believe may have been a “hoax device”.

“We can confirm the 'loud bang' reported in the area a short time ago was a controlled explosion carried out by officers,” the Metropolitan Police said in a post on X.

“Initial indications are that the item was a hoax device. An investigation will now follow. Some cordons will remain in place for the time being but the majority of the police response will now be stood down,” it added.