Hague: Britons 'Undoubtedly' Caught Up in Nairobi Attack

British nationals are "undoubtedly" caught up in the deadly attack on a mall in Nairobi and diplomats are trying to obtain full details of any casualties, Foreign Secretary William Hague said on Saturday.

"There are undoubtedly British nationals caught up in this so we should be ready for that," Hague said in a televised statement following the attack, in which police say 30 people have been killed.