French authorities detain four after deadly stabbing linked to Islamic extremism

President Emmanuel Macron blamed the attack on ‘Islamist terrorism’. Picture: Thomas Padilla, Pool/AP

Four people were in custody on Sunday after a deadly stabbing in eastern France that authorities linked to Islamic extremism, the national anti-terrorism prosecutor’s office said.

A Portuguese man was killed in the attack on Saturday in the city of Mulhouse, near the border with Germany.