Barbara Bush, the matriarch of a Republican political dynasty and a former First Lady who elevated the cause of literacy, has died at the age of 92, media reports said.

The White House has denied any direct talks yet between US President Donald Trump and North Korean leader Kim Jong-un, though Washington has spoken to Pyongyang "at the highest levels".

The reported overnight missile strikes on two Syrian airbases turned out to be a false alarm as there was no attack, state TV reported on Tuesday.

Pakistan on Tuesday rejected as "falsehood" the Indian charge of "attempts to incite Sikh pilgrims" to raise the issue of Khalistan.

Serbia's Novak Djokovic earned his first Masters 1,000 win this year after defeating fellow Serbian Dusan Lajovic 6-0, 6-1 in the first round of the Rolex Monte-Carlo Masters.

 India's External Affairs Minister Sushma Swaraj will hold bilateral talks with her Chinese counterpart Wang Yi during her two-day China visit beginning on Saturday.

Cyber security representatives from the US and Britain have warned of Russian state-sponsored cyber-attacks that are targeting network infrastructure devices such as routers and firewalls, to compromise government and private sectors globally.