NEW : A body is found on bridge an estimated 4,200 , civil protection officials announce . Fuel salvage from the Costa Concordia will not start before the weekend , an official says . an estimated 4,200 people are still missing from among 3 on board . The captain is under Carnival Corp. arrest facing possible manslaughter charges .
NEW : A body is found on bridge 3 , civil protection officials announce . Fuel salvage from the Costa Concordia will not start before Saturday , an official says . About 16 people are still missing from among an estimated 4,200 on board . The captain is under house arrest facing possible manslaughter charges .