RIYADH: Saudi Arabia on Saturday said it was deeply concerned about the escalation and clashes in Sudan, calling on those involved to choose dialogue over conflict, in a statement released by its foreign ministry. The Saudi embassy in Khartoum as well advised its citizens to stay at home and to communicate with it in case of emergency.  Arab League Secretary-General Ahmed Aboul Gheit condemned the use of arms in Sudan and called for an immediate ceasefire to the ongoing escalation.  The Egyptian Foreign Ministry issued a similar statement calling on all Sudanese parties to exercise maximum restraint.  Fierce clashes between Sudan’s military and the country’s powerful paramilitary force erupted Saturday in the capital and elsewhere in the African nation, raising fears of a wider conflict in the chaos-stricken nation. In Khartoum, the sound of heavy firing could be heard in a number of areas, including the city center and the neighborhood of Bahri.