British Conservative MP David Amess, 69, was stabbed on Friday 18 October multiple times while on a parliamentary call he was holding at a church in his constituency in Leigh-on-Sea, east of London, according to local media.
Local police announced the arrest of a man, and confirmed that a person had been stabbed, without specifying his identity.
She said she was not looking for "anyone else" after the arrest.
A witness named Anthony described on LBC radio a large police deployment there.
"I saw someone being taken out of the building, put in the back of a police car," he said.
"Apparently he has been stabbed several times," he added of the MP.
Political reactions immediately poured in, in a country marked by the assassination in the middle of the street, in 2016, of the Europhile MP Jo Cox, by a neo-Nazi sympathizer, a week before the referendum on the Brexit
"Horrible and deeply shocking news," tweeted Labor Opposition Leader Keir Starmer, addressing his thoughts to the MP, his relatives and associates.
With AFP
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