"Strict gun-control laws in the United Kingdom, and the difficulty of acquiring automatic weapons, even on the black market, decreases the likelihood of mass-casualty shooting attacks", Iho said. He stabbed a police officer to death inside the gates of the Parliament building.
The Department of Homeland Security said it would lend support to the British investigation of the attack but that its security posture was unchanged.
Yesterday's London atrocity has reinforced fears of lone-wolf attacks, mirroring incidents in Nice and Berlin a year ago, says global security expert Dr Robert Patman.
The attacker killed three people, including a police officer, during a vehicle rampage and knife attack near Parliament.
At least five people were killed - including the policeman, three members of the public and the man believed to be the attacker - and at least 40 others were injured, several seriously, Mark Rowley, Britain's national lead for counter terrorism policing and the acting deputy commissioner at the Metropolitan Police, told reporters Wednesday night.
Giorgio Manetti confessa: "Dovevo fare il tronista di Uomini e Donne"
Per il momento il corteggiatore non si dichiara per nessuna delle due ed esce in esterna anche con Rosa . Dalle anticipazioni si apprende di un rapporto ai minimi termini tra Luca e Giulia .
PM Modi also expressed grief over the attack.
In a statement outside her 10 Downing Street office late in the evening, PM Theresa May said that the location of this attack was no accident. "Every time you put in place a new measure after an attack or a thwarted attack, the assailants adapt to get around the measures in place and find the gaps", she said. The attacker was armed with a kitchen knife and a auto. Vehicular attacks followed suit.
"You can't stop the traffic flow in London", he said.
In December, a 24-year-old Tunisian drove a stolen truck into a Christmas market in Berlin, killing 12 people.
Yves Trotignon, a former analyst for France's intelligence services, said Britons could take some comfort from the prompt and competent response of the British security services to Wednesday's attack. Terror does not define the experience of whole swaths of people, in its goal, it seeks to separate us, and we should never allow it to be successful in dividing our society.