Four Palestinians were killed by Israeli soldiers on Friday during raids in the occupied West Bank, according to the official Palestinian news agency WAFA. Militant factions recognized two of the dead as belonging to them.

Israel has intensified operations against Islamist groups in the West Bank, killing several Palestinians and detaining hundreds more while it fights Hamas in the Gaza Strip, a conflict that has been going on for three weeks. A conflict claimed the life of one Israeli soldier.

The Israeli military said that during West Bank arrest operations its troops came under attack in the city of Jenin and fired back, killing Ayser al-Amar of the Islamic Jihad faction.

Islamic Jihad confirmed al-Amar belonged to the group. Hamas said one of its men, Jawad al-Turki, was killed during the Jenin fighting.

WAFA named the two men, another Palestinian killed in Jenin and a fourth man in the West Bank town of Qalqiya, saying their deaths took the number of Palestinians killed since the Hamas-Israel conflict broke out to 110, with more than 1,900 people injured.