Former Philippine President Rodrigo Duterte said he takes full responsibility for his administration's "war on drugs", in a video message posted on his Facebook account, as he braces for a legal battle at the International Criminal Court.

At least nine charity workers have been killed and several others injured in an Israeli strike in Beit Lahia, northern Gaza, the enclave’s Government Media Office said Saturday, making it the deadliest incident since the ceasefire went into effect in January.

Two back-to-back Israeli airstrikes in northern Gaza killed at least nine people on Saturday, according to Gaza civil defense. Witnesses say several of those killed were aid workers and journalists.

As Hamas on Friday offered to release American Israeli soldier Edan Alexander and the remains of four other hostages held in Gaza, Israel's prime minister called it psychological manipulation.

Hamas said on Friday it has accepted a proposal from mediators to release one living American-Israeli hostage and the bodies of four dual nationals who died in captivity in Gaza. The Palestinian militant group's offer appears aimed at keeping up momentum on negotiations over the future of the Gaza ceasefire and the release of all Israeli hostages,

The militant group did not immediately specify when the release of soldier Edan Alexander and the four bodies would take place.