Ministers face a grilling by MPs today on how documents containing details of a sensitive navy ship deployment in the Black Sea were found at a bus stop. The Ministry of Defence has acknowledged that the loss of the documents was reported by an employee last week, after an anonymous member of the public told the BBC they found 50 pages of classified information in Kent. Shadow defence secretary John Healey has been granted an urgent question in the Commons on Monday on the issue. He called the incident “as embarrassing as it is worrying for ministers.” The papers included a set of documents that discussed the potential reaction of Russia to HMS Defender travelling through Ukrainian waters off the Crimea coast—a move that provoked a Russian military response. Another document set out potential plans for a UK military footprint in Afghanistan. HMS Defender is part of the carrier strike group bound for …