Sudan’s army said on Sunday a commander from its foe the Rapid Support Forces (RSF) had defected with some of his troops, in what would be the first such move by a senior figure since the sides started fighting more than 18 months ago.There was no immediate comment from the RSF which has seized control of large parts of the country in a conflict with the military that the UN says has caused one of the world’s worst humanitarian crises.For all the latest headlines follow our Google News channel online or via the app.Supporters of the army posted photos online purporting to show Abuagla Keikal - a former army officer who became the RSF’s top commander in the southeastern state of El Gezira - after he had defected.The army, which has recently reported gains against the RSF in parts of the capital, said Keikal had decided to make the move because of his former force’s “destructive agenda.”It did not go into further detail and there was no statement, in print or on video, from Keikal.The