Israel has reopened two crossings in Gaza, while the key Rafah crossing will stay closed to the movement of people until further notice.

Smoke was seen rising above the sky in Gaza Strip, hours after Israel and Hamas agreed to pause fighting in Gaza to free the remaining hostages in exchange for Palestinian prisoners.

David Adler spent more than two weeks at sea and five days in an Israeli prison. He says flotilla members faced drone attacks before being detained and abused by the Israeli government.

Activists on board the Global Sumud Flotilla said they heard explosions and saw drone attacks late on Tuesday.

An explosion was seen on the Gaza skyline on Thursday, after U.S. President Donald Trump announced Wednesday that Israel and Hamas have agreed to the “first phase” of his peace plan to pause fighting and release at least some hostages and prisoners,

Explosions were reported in Cairo just hours before Donald Trump’s arrival in Egypt for the Gaza Peace Summit in Sharm al-Sheikh. Thick plumes initially believed to be smoke were later confirmed as dust from a quarry explosion during construction work.

Aboard the plane were several members of the press who had attended the peace summit in Egypt, where the signing of the Gaza peace agreement took place. President Donald Trump and leaders of Egypt, Qatar and Turkey were in attendance, following the ceasefire deal between Israel and Hamas, per Corriere della Sera.

The Trump peace plan calls for an international security force in the Gaza Strip, but countries that might send troops are wary of danger, an unclear mission and being seen as occupiers.