British Transport Police Chief Constable Paul Crowther said the officer, who was stabbed in the face, head and a leg, was one of the first responders. The witness, Damien Pettit, said he "looked a lot" like his neighbor. They said people were fleeing the area in panic.
Boats on the River Thames helped evacuate the area, which is popular with tourists. Seven people from France were injured, four critically, and one is still missing.
"I am humbled by the bravery of an officer who will rush toward a potential suicide bomber thinking only of protecting others", he said.
All three attackers were shot dead by police within eight minutes of the first emergency call to officers.
The attack, which killed seven people, was the second time in three months that London has come under attack after a similar assault on the country's Parliament in March. However, those plans may now once again be considered as May's battle against terrorism brings technology to the forefront, in the wake of the third terror attack Britain has suffered in 2017. Vowles said. "I was just trying to get their attention by throwing things at them".
"Our deepest condolences go to her family and loved ones, as well as to members of our community who are grieving her loss", Mount Royal president David Docherty said in a statement.
The travel ban and the attack on political correctness were prominent elements of his campaign a year ago, thrilling supporters who ultimately put him in the White House but outraging political opponents on the left.
"It is time to say, 'Enough is enough, '" Ms.
May said the series of attacks were not connected in terms of planning and execution, but were inspired by what she called a "single, evil ideology of Islamist extremism" that represented a perversion of Islam and of the truth.
Prime Minister Justin Trudeau later said in a statement.
ISIS group claimed responsibility for the Manchester bombing, but there has not yet been a claim of responsibility for the London attack, which the prime minister linked to Islamic extremism. The message sent out on an encrypted messaging app urged attackers to "gain benefit from Ramadan" and "kill the civilians of the Crusaders".
On Sunday morning, police arrested 12 people in East London. The PM said doing so will require military action in ISIS-controlled territory and for the United Kingdom to become "far more robust in identifying it and stamping it [terrorism] out", through "difficult and often embarrassing conversations" that unify the British community.
According to eyewitnesses, the attackers shouted "This is for Allah" as they ran into a number of restaurants and stabbed citizens at random.
It was reported that his girlfriend, Marie Bondeville, was also injured.
The acting United States ambassador to Britain, Lew Lukens, threw his support behind Khan in a series of tweets which also praised the "extraordinary" response from Londoners and emergency services.
"London is one of the safest global cities in the world", Khan told CNN. You will see an increased police presence today, including armed officers and uniformed officers. The security and intelligence agencies "disrupted five credible plots" since the Westminster attack, May said on Sunday. It's far easier to be dishonest, to play on the misapprehensions of broad political constituencies, to tell voters what they want to hear rather than what they need to know.