Three United Nations staff were among as many as 15 killed in a suicide bomb attack outside a popular Lebanese restaurant in Kabul, Afghanistan, a UN spokesman said.
"Three United Nations personnel, along with a number of those from other international organisations, are now confirmed dead," UN spokesman Farhan Haq said in a statement.
IMF representative Wabel Abdallah, a 60-year-old Lebanese national, was killed in the explosion, the IMF said. He had been leading the Fund's office in Kabul since 2008.
An as-yet unnamed Briton was among the victims the blast at the popular Taverna du Liban restaurant.
More top news
Sir Nicholas Winton, who rescued 669 children from the Nazis, didn't tell anyone about his exploits for 50 years - not even his wife.
Police believe one of the West's most infamous criminals, timeshare fraudster John Palmer, was murdered.
Police say a 'disaster was averted' when officers caught a suspected drink-driver who tried to drive the wrong way up the M6.