French President Macron calls the incident 'Islamist terrorism', as the alleged perpetrator is taken in police custody.
The Palestinian group says the Israeli government is not engaging in negotiations for phase 2 of the truce deal.
Some Arab leaders have met to discuss an alternative plan for the Strip devastated by 15 months of Israeli war.
Australia chase 356 to beat England as the Cricket World Cup holders open their Champions Trophy account in Lahore.