Bloody clashes erupted Tuesday between members of rival Palestinian groups in Ain Al-Helwa refugee camp in the southern Lebanese City of Sidon. The Lebanon state news agency (NNA) reported that the clashes between fighters of Jund Al-Sham and Fatah movement left two injured persons from each side. NNA added that efforts are exerted by the Palestinian Follow-up Committee to stop infighting and contain the dispute. UNRWA said, in its website, some 47,500 Palestinian refugees are registered in Aid Al-Helwa camp, the largest of the 12 camps in Lebanon