Police update on Westminster terror attack

Police confirm 40 injured, the attacker and 4 others dead in Westminster terror attack. The injured include French school children, five South Korean tourists- including a 63 year old woman- and three police officers. The dead police officer has been named as Keith Palmer, 48, who had served as a police officer for 15 years and was a husband and father. 

The attacker was known to police and was inspired by international acts of terrorism, according to Scotland Yard's top anti-terror officer Mark Rowley. 

Mr Rowley said:

"The UK threat level has been at 'severe' for some time and this level will not change.

"We have enhanced the scale of the policing operation to protect our communities across the country.

"As we continue to investigate today's horrific events we do want to reassure the public that police and partners are doing everything possible to protect them.

"As a precautionary measure over the next few days we have increased the number of officers on duty to provide a highly visible, reassurance presence - both armed and unarmed - across the country

The flag over Downing Street will be flown at half mast as a mark of respect.