The Palestinian Red Crescent (PRC) said Israeli forces initially prevented medics from entering Jenin camp, making it difficult to reach injured individuals, four of whom were in critical condition.

The PRC said Israeli forces also fired tear gas canisters towards the Jenin Government Hospital, causing inhalation injuries among children.

Palestinian Authority Prime Minister Muhammad Shtayyeh called on the United Nations and international human rights organizations to “intervene urgently to provide protection … and stop the bloodshed of children, youth and women.”

Last year was the deadliest for both Palestinians in the West Bank and for Israelis in nearly two decades, CNN analysis of official statistics on both sides showed.

Israel’s top military officer told CNN “fighting terrorism is a complex mission,” in the wake of Thursday’s fatal Israeli raid.

Herzi Halevi, the Israel Defense Forces (IDF) chief of staff, was speaking to CNN’s Hadas Gold shortly after the raid, and before he had been fully briefed on it.