(KUNA) -- Israeli troops shot dead a commander of Al-Aqsa Martyrs Brigades, military wing of the Palestinian mainstream group Fatah, in the city of Nablus on Thursday, witnesses said. They said Israeli special troops burst into the district of Al-Qiryoun in the ancient sector of the city and opened fire at a group of members of the brigades, touching off fierce armed clashes that killed Fadi Qafishah, 33. Qafishah had passed away upon arrival at hospital, the witnesses said, adding that six Palestinians were also wounded in the firefight. The clashes inflicted casualties among the regular troops, according to the witnesses.