Three underground stations in London have been evacuated after what are described as “a series of incidents”.. very sketchy details at the minute, although the Guardian Newsblog has a SkyNews report that “at 1254. A passenger’s backpack blew apart, but did not cause further damage”. Update More from the Guardian Newsblog Update again Four minor explosions it seems, with possibly only the detonators exploding, including one on a bus. Only one person, it is reported, has been injured. More Today The Guardian reports “Up to four would-be suicide bombers were feared to be on the run last night”. While the BBC have just reported that A man has been shot at Stockwell Tube station by armed police officers.