French troops board a transport plane in Ndjamena, Chad in this picture provided by the French Army Communications Audiovisual office (ECPAD) on January 12, 2013. French forces carried out a second day of air strikes against Islamist rebels in Mali on Saturday and sent troops to protect the capital Bamako in an operation involving several hundred soldiers, Defence Minister Jean-Yves Le Drian said. Picture taken January 12, 2013. REUTERS/ECPAD/Adj. Nicolas Richard/Handout (CHAD – Tags: POLITICS MILITARY) NO SALES. NO ARCHIVES. ATTENTION EDITORS – THIS IMAGE WAS PROVIDED BY A THIRD PARTY. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS