Emergency services in the north of Russia have been dealing with a fire on board a nuclear submarine.<br /><br /> The vessel was undergoing repairs in a dry dock in the port of Severodvinsk, in the province of Arkhangelsk.<br /><br /> There were no reports of any casualties <br /><br /> Local news agencies reported there were no weapons on board and the nuclear reactor had already been shut down for the repairs.<br /><br /> Some reports say the fire began during some welding work and insulation material caught alight.<br /><br /> The 949 Antei Oscar-class submarine, named Orel, is the sister vessel of the Kursk, which sank after a fire and explosion in 2000.<br /><br /> The Reuters news agency also says a similar blaze on board a submarine carrying weapons almost led to a nuclear disaster in 2011.<br /><br /> ФОТО: В Северодвинске горит подводная лодка http://t.co/4k0l0F3gaJ pic.twitter.com/Z0rOwZu7rI— Срочный по Северу (@flashnord) abril 7, 2015<br /> <br /><br /> ФОТО: В Северодвинске горит подводная лодка http://t.co/4k0l0F3gaJ pic.twitter.com/xMuYrLCuyX— Срочный
