Kremlin critic Alexei Navalny made his first public appearance yesterday after being discharged from a Berlin hospital where Germany said he was being treated for poisoning by a potentially deadly nerve agent. Navalny was flown from Russia to Berlin last month after falling ill on a domestic flight in Siberia. The West has demanded an explanation from the Kremlin, which has denied any involvement in the incident. The German government says tests in Germany, France and Sweden have determined he was poisoned with a Novichok nerve agent. The 44-year-old opposition politician said he planned to have physiotherapy and might follow treatment at a rehabilitation centre to regain his motor skills, including the full use of his left hand. Kremlin Meankwhile said Navalny is welcomed to Russia whenever he wants to.