The shadow Home Secretary, Yvette Cooper MP, has joined tributes to PC Andrew Duncan who died this morning following a hit-and-run collision.
"I want to send my deepest condolences to the family of PC Duncan and to his Metropolitan Police colleagues who I know will be feeling this deeply" she said.
"Commissioner Hogan-Howe has rightly drawn attention to PC Duncan's courage.
"He was doing a job each and every one of us relies upon to keep us safe, tragically losing his life in the service of others.
"Police officers up and down the country face risks every day. We owe them a debt of immense gratitude."
More top news
Masood's body was identified using DNA and fingerprints.
Medical staff who helped during the Westminster terror attack have received a royal thanks for their life-saving efforts.
Temperatures reached 21.8C in Gravesend making it the hottest day of 2017 so far.