A British-born former teacher and Muslim convert, Masood had shown up on the periphery of previous terrorism investigations that brought him to the attention of Britain's MI5 spy agency.
China's leader Xi Jinping is expected to put the seal later on its contribution to what will be the first UK nuclear power plant to be built in a generation.
Millions of people will be casting their votes in the UK general election later.
A British-born former teacher and Muslim convert, Masood had shown up on the periphery of previous terrorism investigations that brought him to the attention of Britain's MI5 spy agency.
China's leader Xi Jinping is expected to put the seal later on its contribution to what will be the first UK nuclear power plant to be built in a generation.
Millions of people will be casting their votes in the UK general election later.
