A British member of Parliament died Friday after being stabbed several times at a church in what police said Saturday was a terrorist attack. 

David Amess, 69, was a member of the Conservative Party and represented Southend West in Essex, England. He was attacked Friday while visiting constituents in his home district in southeastern Britain, officials said.

In a statement Saturday, the Metropolitan Police said that while their investigation was in its early stages, it “has revealed a potential motivation linked to Islamist extremism.” 

Police have not identified a 25-year-old suspect, who is in custody. 

“All our hearts are full of shock and sadness today at the loss of Sir David Amess,” said British Prime Minister Boris Johnson, who called Amess one of the “kindest, nicest and most gentle people in politics” and noted his efforts to end cruelty to animals. 

Amess, who had been a member of Parliament since 1983, was married and had five children.

Amess is the second member of Parliament to be killed in five years. Jo Cox was murdered by one of her constituents, a far-right extremist, five years ago.

Some information in this report came from The Associated Press and Reuters.