The terrorists brought carnage to the streets of the capital on Saturday night, mowing down pedestrians with a van on London Bridge before stabbing a police officer and revellers around Borough Market with 12-inch knives.
"I think they're going to be very careful about who they release that information to, although I guess at some stage their names will start leaking out".
"He swerved right round me and then hit about five or six people", Jones said.
"And then some guy comes around the corner and went 'run run run, they got blades, knifes, they are gonna stab you".
The Labour leader also used the speech to attack Donald Trump and stand by London's Labour mayor, Sadiq Khan, who had been criticized by the American president on Twitter for reassuring Londoners that extra armed police on the streets was "no reason to be alarmed".
She said the series of attacks represented a perversion of Islam and that Britain's counter-terrorism strategy needed to be reviewed, adding: "It is time to say enough is enough".
Police said the assailants were wearing what looked like explosive vests, which were later found to be fake.
As well as the seven people who were killed, a further 48 people were injured, with many of them remaining in critical condition. Ontario Premier Kathleen Wynne said in a tweet that Canadian hearts were heavy with the news of the violence in London.
"He's lived here for about three years", resident Damien Pettit said. "He's one of our neighbours". I've said hello in passing more than 50, 60 occasions.
Three attackers rammed a hired van into pedestrians on London Bridge and stabbed others nearby on Saturday night in Britain's third major militant attack in recent months. He did not identify the deceased or the other victims. The Islamic State said a "soldier" from the group carried out the attack.
"We must resist Islamophobia and division and turn out on June 8 united in our determination to show our democracy is strong", Mr Corbyn said in a speech delivered in Carlisle, north England.
Theresa May has said there is far too much tolerance of extremism in the United Kingdom and it is time to be more robust in tackling it. The election campaign was earlier halted for three days in the wake of the May 22 concert bombing in Manchester, which killed 22 people.
"We believe three people were involved, but we still have got some more inquiries to do to be 100 percent confident in that", he said.
Fielding said it's hard to say whether the London Bridge attack and its aftermath will sway voters. London Bridge and the adjacent train station, as well as nearby Borough subway station, were still closed.
Elizabeth O'Neill told the BBC her 23-year-old son, Daniel, suffered a 7-inch cut outside a bar near Borough Market.
Police said three suspects were shot at the scene within eight minutes of the first emergency call being received.
With her son being treated in King's College Hospital, Mrs O'Neill condemned the terrorists as "callous and barbaric", saying: "These people say they are doing it in the name of god which is an absolute joke".
Renan Marquese, a sous-chef at a tapas restaurant, said he was working when he heard chaotic sounds outside.