(KUNA) — Heavy clashes erupted in Naseriya city, one of the biggest cities in the southern Iraqi province of Thi-Qaar, Iraqi eyewitnesses said on Thursday. Eyewitnesses told KUNA the clashes began at six o'clock p.m. local time, and bomb blasts shook the city after gun fires were heard. The clashes were between armed men and Iraqi military forces where RPG's and small weapons were used, eyewitnesses said. Meanwhile, in Shatra city north of Al-Naseriya armed clashes between armed men and Iraqi military forces also occurred in western part of the city where commercial shops were shut down.