Countries are still working on securing a United Nations Security Council mandate for an international stabilisation force in Gaza, and any decisions on troop contributions will be made once a framework is finalised, Turkish Foreign Minister Hakan Fidan said on Monday, Reuters reported.

Fugitive diamond trader Mehul Choksi has challenged before Belgium's Supreme Court an October 17 ruling by the Antwerp Court of Appeal that had upheld India's request for his extradition, calling it "enforceable", officials said on Monday.

A powerful 6.3 magnitude earthquake shook northern Afghanistan before dawn Monday, killing at least 20 people and injuring more than 640 others, as well as damaging the historic Blue Mosque, officials said.

A powerful, 6.3 magnitude earthquake shook northern Afghanistan before dawn Monday, killing at least 20 people and injuring more than 300 others, a health official said.

Twenty-nine people were injured when their tempo traveller overturned in Kumarsain, about 81 kilometres from here, in the early hours of Sunday, police said.

There was an explosion early Saturday at Harvard Medical School that appears to have been intentional, but no one was injured, authorities said.

British police said 10 people have been hospitalised, nine with life-threatening injuries, following a mass stabbing attack on a London-bound train and that counter-terrorism police are supporting the investigation.