Some 50 ambulances were ferrying wounded Georgian troops from South Ossetia to hospitals in neighbouring cities, all of which were already overcrowded.
Russian television showed Tskhinvali's main hospital in ruins and most of the more than 230 patients crammed into the basement.
Residents of Gori wait to receive humanitarian aid from local authorities as Russia called today for Georgian forces to surrender in the separatist enclave of Abkhazia Mr Brown issued a strongly-worded statement after Georgia backed an EU peace plan for the breakaway province of South Ossetia amid continued fighting.'There is no justification for continued Russian military action in Georgia, which threatens the stability of the entire region and risks a humanitarian catastrophe,' he said.'There is an immediate and pressing need to end the fighting and disengage all military forces in South Ossetia.
'The Georgian government has offered a ceasefire, which I urge the Russians to reciprocate without delay.'Meanwhile, intense shelling continued in the breakaway region of South Ossetia where hostilities broke out last Friday.
There were also conflicting reports that Russian troops had overrun the city of Gori while Georgian forces were concentrating on holding Mtskheta, 15 miles from the capital.
On the move: Russian troops wind along a road near the border between North and South Ossetia amid fears of a ground invasion Retaliation: Russian forces secure the area in the Khurcha settlement in breakaway region of Abkhazia Earlier in the day, Russian premier Vladimir Putin raised the stakes over the conflict by lashing out at the U. as the fighting continued to escalate in the region.
Secretary-General Jaap de Hoop Scheffer was 'seriously concerned about the disproportionate use of force by the Russians and the lack of respect for the territorial integrity of Georgia,' a spokesman said.'The military operations that we saw on Saturday and since then, including air and missile attacks, have no relation to and go well beyond the CIS peacekeeping operation.'But diplomatic efforts to secure a ceasefire were continuing with French Foreign Minister Bernard Kouchner leading a delegation from the European Union asking for a 'controlled withdrawal of troops'. Vice President Dick Cheney (left) phoned Georgia's President Mikheil Saakashvili in person to offer America's backing to the region A separate Council of Europe delegation lead by Sweden's foreign minister was also on its way to the Georgian capital for talks.