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.