Blogging London from UK
Blogger comment from Tim Worstall.
And the Guardian news blog.
From Sky News: ‘ “They said the strong smell of acetone would have sparked fears of a chemical attack. And the smell indicated that the explosives had been made up incorrectly, with too much acetone and not enough peroxide.” . . .
Ivan McCracken, who had been travelling on the train attacked at Warren Street, said fellow passengers described seeing a man carrying a backpack which “suddenly exploded.”
“It was a minor explosion but enough to blow open the rucksack. The man then made an exclamation as if something had gone wrong. At that point everyone rushed from the carriage,” he said.
An eyewitness who was on the train at Oval station described seeing a man flee after his backpack exploded.
“There was a little explosion. As soon as the door opened the man ran away and people were trying to run after him,” the unnamed woman told Sky News television, adding that he appeared to escape.
About an hour later, the driver of a Number 26 bus driving through Shoreditch, just east of the centre, reported hearing a loud bang on the top deck of the vehicle followed by a pall of smoke.
On investigating he found some of the bus’s windows blown out. ‘