Syrian and Russian warplanes launched intense airstrikes on the opposition enclave around Idlib on Friday, as opposition fighters and their Turkish-backed allies launched a surprise assault on second city Aleppo.“Russian and Syrian air forces carried our 23 raids on the Idlib region,” the Syrian Observatory for Human Rights said.More than 240 people, mostly combatants, were killed as intense fighting approached Syria’s northern Aleppo city after opposition fighters launched a major offensive on government-held areas this week, the monitor said earlier on Friday.On Wednesday, opposition group Hayat Tahrir al-Sham (HTS) and allied Turkish-backed factions launched an attack on government-held areas in the northwest, triggering the fiercest fighting since 2020, the Observatory said.For all the latest headlines follow our Google News channel online or via the app.Rami Abdel Rahman, who heads the Observatory, said fighting reached two kilometers (1.2 miles) from the main northern city of