More than 200 migrants are missing in the Mediterranean Sea after a boat trying to reach Europe broke down, Tunisia's Tap state news agency says. The Tunisian coast guard and army rescued 570 but up to 270 went missing in the stampede to get off the fishing vessel, the report says. An operation to rescue the would-be migrants began off the Tunisian Kerkennah islands on Wednesday. The mainly African migrants were on a boat bound to Italy from Libya. Tap said two people were confirmed dead during the rescue. Seven were injured and taken to hospital in the port of Sfax, while two pregnant women were taken to the maternity unit. On Wednesday night, 193 survivors were transferred to the Shusha camp near the Libya-Tunisia border, Tap said. It said another 385 would be sent to the same camp on Thursday morning. Tap did not say what measures were being taken to try to locate the missing migrants. Source: BBC