A Palestinian American visiting family was killed during an attack by extremist settlers, according to the Palestinian Health Authority. The family of Sayfollah Musallet is demanding an investigation.

U.S. Ambassador to Israel Mike Huckabee called on the country to probe the killing of a Palestinian American man visiting family in the West Bank.

Meanwhile, Israel and Hamas appeared no closer to a breakthrough in talks meant to pause the 21-month war and free some Israeli hostages.

Israeli settlers killed a 20-year-old Palestinian-American man in the West Bank, according to the Palestinian Ministry of Health and an eyewitness, as settler violence against Palestinians ramps up in the occupied territory.

Top church leaders in the Holy Land have condemned intensifying Israeli settler violence on the only entirely Christian Palestinian village remaining in the occupied West Bank.

Palestinian-American Saifullah Kamel Musallet, 20, was visiting family in the West Bank when he was beaten to death by Israeli settlers, his family told CBS News.