A still image taken from a video footage shows the Costa Allegra cruise ship being towed by French tuna boat Trevignon (R) in the Indian Ocean February 28, 2012. The crippled cruise ship owned by the company whose giant liner was wrecked off Italy last month is being towed to the main island in the Seychelles, its owners said Tuesday. An engine room fire on the Costa Allegra knocked out the ship's main power supply in the Indian Ocean Monday, leaving it adrift with more than a thousand people on board in waters vulnerable to pirate attacks. REUTERS/Zil Air/Handout (INDIAN OCEAN - Tags: TRANSPORT) FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. MANDATORY CREDIT