Officials said Hamas was seeking changes on the issue of guarantees for a permanent end to a war. That has long been the core sticking point with Israel.
The court decisions are an abrupt turnaround for a population that entered the country legally and shared detailed information about their whereabouts with the government.
He was the younger brother of Yahya Sinwar, the former Hamas leader killed by Israel last year. Hamas did not immediately respond to the claim of his death.
Cameron Norrie maintains focus to beat British rival Jacob Fearnley in a French Open match disrupted by loud fireworks outside Paris St-Germain's stadium.