Government forces are bombarding opposition-held areas in Syria’s second city of Aleppo, activists say, quoted by BBC.Three children from one family were reportedly among eight people killed in air strikes in the central district of Maadi, not far from the citadel. There were clashes between troops and rebels overnight in several districts.The violence came as the UN envoy to Syria, Lakhdar Brahimi, prepared to brief the UN Security Council on his talks with President Bashar al-Assad. The UN says more than 20,000 people have been killed since anti-government protests began in Syria in March 2011. Activists put the death toll as high as 30,000.On Monday, the Local Co-ordination Committees, an opposition activist network, reported that at least 24 people had died in fighting, including 15 in Aleppo. Two buildings were hit by bombs dropped by government warplanes in Maadi, it said. At least eight bodies had so far been found, but more were believed to be buried underneath the wrecked buildings, it added. A video posted online showed people digging through rubble.Battles also raged overnight in the western districts of Jamilia, Bustan al-Qasr, Furqan and Zabdiya, according to the Syrian Observatory for Human Rights, a UK-based activist group. The army also shelled rebel positions in Marjah and Tariq al-Bab, it added.Clashes between government forces and rebels were also reported in the north-eastern and north-western districts of the capital, Damascus.