Israeli forces have raided the Balata refugee camp in the occupied West Bank city of Nablus, Al Jazeera reports.
Ahmed Jibril, the director of the Red Crescent Ambulance and Emergency Centre in Nablus, said one man was in serious condition after being shot in the head.
According to Al Jazeera, the three other men have been shot in different parts of their bodies but are stable.
Local sources said Israeli forces arrested one Palestinian, Ali Odeh, before withdrawing from Balata camp.
