After a deadly attack in Paris, its capital of the UK, London that has become the latest victim of a merciless terror attack.
The assailant driving a sport utility vehicle reportedly mowed down panicked pedestrians and stabbed a police officer outside Parliament on Wednesday.
Police officer Keith Palmer was killed in the London attack, March 22, 2017.
The attack is reported to have killed at least four people including the assailant and over 40 people have been injured in the confusing swirl of violence.
Video: Car Plows Victims on Westminster Bridge
Mr. Khan had made a comment in an interview after an attack in Newyork in which he said; "Part and parcel of living in a great global city is you have to be prepared for these sorts of things, you have to be vigilant, you have to support the police doing an incredibly hard job, you have to support the security services,"
Pointing at this comment made by the mayor in an interview a year ago, Mr. Trump dropped his bombshell trying to hit the right spot.
See, what he twitted.
You have to be kidding me?!: Terror attacks are part of living in big city, says London Mayor Sadiq Khan https://t.co/uSm2pwRTjO
— Donald Trump Jr. (@DonaldJTrumpJr) March 22, 2017
Moreover, his tweet enraged a lot of British people on Twitter, including MP Wes Streeting, who called him a "disgrace" for exploiting the tragedy.
@DonaldJTrumpJr You use a terrorist attack on our city to attack London's Mayor for your own political gain. You're a disgrace.
— Wes Streeting MP (@wesstreeting) March 22, 2017
Moreover, recently the Metropolitan Police has confirmed to have arrested eight people in connection with the attack.
We have now made a total of eight arrests as part of the ongoing Counter Terrorism operation #WestminsterAttack
— Metropolitan Police (@metpoliceuk) March 23, 2017
According to West Midlands Police, arrests were made in Birmingham. And they have confirmed that searches were intelligence led and there was no immediate risk to public safety.