Israeli forces have killed a 19-year-old Palestinian man who was accused of killing two Israelis — a soldier and a civilian — in an attack near the West Bank city of Ariel on Sunday.

Israeli military said there were around 300 rocket and mortar launches from Gaza.

Israel has defended the killing of 15 Palestinians during Friday's demonstration.

Israel's defense minister rejected calls for an inquiry into the killing of 15 Palestinians by the military during a Palestinian demonstration that turned violent Friday.

Hundreds of of Palestinian youths ignored calls from protest organizers and the Israeli military to stay away from the frontier and violence broke out.

"Israel must uphold its responsibilities under international human rights and humanitarian law," UN deputy political affairs chief Taye-Brook Zerihoun said.