Latest: Marseille stab murders suspect released from custody day before attack

Latest: A man who stabbed two women to death at Marseille's main railway station had been arrested and released the day before the attack, French officials have said.

Update 9.45am: A man who stabbed two women to death at Marseille's main railway station had been arrested and released the day before the attack, French officials have said.

The Islamic State group claimed responsibility for Sunday's attack, the latest of several targeting France.