Tags: Nawaz Sharif

At a time of heightened tensions between nuclear-armed rivals India and Pakistan, U.S. President Barack Obama urged Pakistan on Thursday to avoid developments in its nuclear weapons programme that could increase risks and instability.

The collapse of planned peace talks between India and Pakistan hours before they were to start on Sunday has raised questions about the arch-rivals' willingness to overcome mutual mistrust, built since their separation almost seven decades ago.

Pakistan has cancelled the Commonwealth parliamentary conference due to tensions with India over the disputed Himalayan region of Kashmir, officials said on Thursday, days before the two nuclear-armed neighbours are due to meet.