US President Donald Trump is pressing Israel and Hamas to secure a settlement to the two-year conflict that’s devastated Gaza and destabilized the Middle East, with the warring sides starting mediated negotiations.

A key sign of progress in the talks, taking place in the Egyptian Red Sea resort of Sharm El-Sheikh, will be whether Hamas frees all the roughly 20 of its live hostages — plus the remains of those who are dead — in return for Israel releasing about 2,000 Palestinian prisoners.