(KUNA) -- An activist of Al-Aqsa Brigade, the military wing of the Fatah Movement, was killed in armed clashes with Israeli forces in Nablus city. Eyewitnesses told Kuwait News Agency (KUNA) Israeli troops besieged a cemetery in the eastern part of the city and clashed with the militants. One was killed, another wounded and the third arrested. Eyewitnesses said the twenty-year-old Mahmoud Zakaria, received a bullet in the shoulder near the heart which led to his death immediately.Eyewitnesses said the Israeli army forced the mother of one of the militants at gunpoint to to ask her son to turn himself in. Israeli troops occupied rooftops of a number of houses, buildings close from the cemetery and used them as locations to open fire towards militants. They went on an incursion operation in Nablus using more than 14 tanks.