THREE escaped detainees in Mauritania have been killed and one other detained after a shootout with security forces, the Mauritanian authorities said. Earlier this week, the four inmates escaped the central prison in Mauritania's capital, Nouakchott, during a breakout in which two soldiers were killed by gunfire, according to the interior ministry. In a joint statement, the defence and interior ministries said three of the four fugitives were killed when shooting broke out during a search operation conducted by the army and counter-terrorism forces. One officer was killed during the operation, the statement said. The authorities have not shared the identities of…