Afghan border police, enraged by recent clashes with their Pakistani counterparts, are pleading for more weapons to take on their neighbours, escalating the tension between the two sides.

Tens of millions of US dollars in cash were delivered by the CIA in suitcases, backpacks and plastic shopping bags to the office of Afghanistan President Hamid Karzai for more than a decade, the New York Times says, citing current and former advisers to the Afghan leader.

Afghan President Hamid Karzai has agreed with a call from the country's conservative religious council for a crackdown on television stations, calling some of their programmes "immoral and un-Islamic", officials said on Tuesday.

The US war in Iraq and Afghanistan drove the two Chechen-origin brothers to carry out the twin blasts in Boston, media reports claimed, citing authorities interrogating one of the suspects.

Prince Harry, deployed as an Apache helicopter pilot in Afghanistan, served tea to his army comrades after losing a Ludo-style game.

Prince Harry says he killed Afghan insurgents during sorties against the Taliban while on his second tour of duty in Afghanistan where he was a gunner in Apache attack helicopters.

Two explosions and shooting were heard at a U.S. base in the eastern Afghan city of Jalalabad, a witness said.

Visiting US special representative to Afghanistan and Pakistan Marc Grossman has met Pakistani Foreign Minister Hina Rabbani Khar and Army chief Gen Ashfaq Parvez Kayani to discuss the progress made in their joint counter-terrorism efforts.

More than 430 British troops have been killed in Afghanistan since the U.S.-led intervention in 2001, yet stability remains elusive and violence high, while relations between Western troops and Afghan forces and civilians are increasingly frayed.

Muzhgan Masoomi's attacker stabbed her 14 times with a thick blade used to slaughter animals, tearing wide gashes in her flesh before leaving the government worker for dead on the outskirts of the Afghan capital.