RUC used CS gas, armoured vehicles and water cannons, but were kept at bay by hundreds of nationalists. The continuous fighting, which became known as the Battle of the Bogside, lasted for three days. In response to events in Derry, nationalists held protests at RUC bases in Belfast and elsewhere. Some of these led to clashes with the RUC and attacks on RUC bases. In Belfast, loyalists responded by invading nationalist districts, burning houses and businesses. There were gun battles between nationalists and the RUC, and between nationalists and loyalists. A group of about 30 IRA members was involved in the fighting in Belfast. The RUC deployed Shorland armoured cars mounted with heavy Browning machine guns. The Shorlands twice opened fire on a block of flats in a nationalist district, killing a nine-year-old boy, Patrick Rooney. RUC officers opened fire on rioters in Armagh, Dungannon and Coalisland. During the riots, on 13 August, Taoiseach Jack Lynch made a television address. He condemned the RUC and said that the Irish Government "can no longer stand by and see innocent people injured and perhaps worse". He called for a United Nations peacekeeping force to be deployed and said that Irish Army field hospitals were being set up at the border in County Donegal near Derry. Lynch added that Irish re-unification would be the only permanent solution. Some interpreted the speech as a threat of military intervention. After the riots, Lynch ordered the Irish Army to plan for a possible humanitarian intervention in Northern Ireland. The plan, Exercise Armageddon, was rejected and remained classified for thirty years. On 14–15 August, British troops were deployed in Operation Banner in Derry and Belfast to restore order, but did not try to enter the Bogside, bringing a temporary end to the riots. Ten people had been killed, among them nine-year-old Patrick Rooney (the first child killed by police during the conflict), and 745 had been injured, including 154 who suffered gunshot wounds. 154 homes and other buildings were demolished and over 400 needed repairs, 83% of the buildings damaged were occupied by Catholics. Between July and September 1,505 Catholic and 315 Protestant families were forced to flee their homes. The Irish Army set up refugee camps in the Republic near the border (see Gormanston Camp). Nationalists initially welcomed the British Army, as they did not trust the RUC. On 9 September, the Northern Ireland Joint Security