FIVE Senegalese marine commandos have been missing since Friday when a suspected drug-trafficking boat was scuppered off the coast of the capital Dakar while it was being searched by the navy, the armed forces said. A Senegalese patrol boat intercepted the vessel, suspected of involvement in the trade in which drug smugglers ship tonnes of cocaine from South America to Europe, using West African countries as transit points. "During the search, the marine commando response team on board noticed that the ship's valves had opened," the armed forces said in a statement. "Everything suggests that this sabotage action, consisting of…