Yemen's elite republican guards loyal to President Ali Abdullah Saleh on Thursday clashed with army units supporting opposition protesters seeking the resignation of the embattled leader. The clashes between Presidential guards and the army units who have backed opposition groups and protesters asking Saleh to quit took place in the eastern Hadramout provincial town Mukalla. Al Jazeera channel said, with the military divided, the risk of confrontation and escalation is just too great. Reports quoting witnesses and medics said at least two army men, including a colonel was injured in the clashes. As Yemen face the crisis, the UAE authorities today seized a massive arms consignment of 16,000 guns bound for the strife torn nation. Dubai Police Chief Lt Gen Dahi Khalfan Tamim said that the consignment worth 4.4 million dollars were bound for Yemen's northern province of Saada, a Shia rebels' stronghold. Six Arabs have been arrested by Dubai Police who seized the pistols from a warehouse where the shipment was hidden by the gang.