News Headlines - 15 April 2013

▽BBC News - Boston Marathon hit by twin explosions

Two people have been killed and at least 23 injured in two explosions at the finish line of the Boston Marathon, police say... Boston police said a third incident occurred at the city's JFK Library and was under investigation.

▽Obama: 'We will find out who did this, and we will hold them accountable'

President Barack Obama vowed Monday evening to bring those responsible for the Boston Marathon explosions to justice, though he said that the government does not yet know who perpetrated the attack along the runners' route.

▽Guantanamo Bay: violence, hunger strikes and protests - Channel 4 News

Violent clashes, hunger strikes and growing calls for its closure - what is happening in Guantanamo Bay, three years after its promised closure?

▽LSE students on North Korea trip with BBC team 'have received threats' | guardian.co.uk

The director of the London School of Economics has revealed that some of the university's students who travelled to North Korea with BBC Panorama journalist John Sweeney have received threats from the communist state since returning to the UK.

▽Margaret Thatcher funeral: Big Ben to be silenced as mark of respect | guardian.co.uk

The bells of Big Ben and the Great Clock at Westminster are to be silenced as a mark of respect during the funeral of Lady Thatcher on Wednesday, the Commons Speaker, John Bercow, has announced.