QALQILYA, May 25, 2004 (WAFA)-Palestinian medical sources in Tulkarem said that Israeli Occupation Forces (IOF) have started using a poisonous weapon against the Palestinian People.... Doctor Mohammed al-Hashem, on examining the body of Mazen Yassin, who was killed last week by IOF in Qalqilya, revealed that Yassin was shot in the waist, adding that a poisonous bullet could well be the cause of his death.... Al-Hashem affirmed that Yassin's skin was easily peeling off, which inevitably proves that he was shot with a lethal weapon....