Russia on Sunday said it was helping the Syrian army “repel” armed opposition forces in three northern provinces, as Moscow seeks to support the government led by its ally Bashar al-Assad.An armed opposition alliance launched an offensive against the Syrian government on Wednesday, with Syrian government forces losing control of the city of Aleppo on Sunday, according to a war monitor.For all the latest headlines follow our Google News channel online or via the app.“The Syrian Arab Army, with the assistance of the Russian Aerospace Forces, is continuing its operation to repel terrorist aggression in the provinces of Idlib, Hama and Aleppo,” the Russian military said in a briefing on its website.“Over the past day, missile and bombing strikes were carried out on places where militants and equipment were gathered,” it said in the same briefing, without saying where or by whom.It said at least “320 militants were destroyed.”Russia announced earlier this week that it was bombing armed