WASHINGTON, Feb. 11 -- President Donald Trump said Monday that a precarious ceasefire agreement between Israel and Hamas should be canceled if Hamas doesn't release all the remaining hostages it is holding in Gaza by midday on Saturday - though he also said that such a decision would be up to Israel.

Trump was responding to Hamas saying it will delay the further release of hostages in the Gaza Strip after accusing Israel of violating the three-week-old ceasefire. The U.S. president said that after the freeing of three visibly emaciated hostages on Saturday it was time for Israel to demand the release of all hostages by noon on Saturday, or restart the war.

"If they're not here, all hell is going to break out," Trump said. He added of th...