US grounds Boeing 787 over battery concerns

A mechanic of All Nippon Airways (ANA) Boeing Co's 787 Dreamliner plane is seen through a steel fence at Haneda airport in Tokyo Jan 16, 2013. All Nippon Airways Co Ltd said it will ground all of its Boeing Co 787 planes on Thursday after one of its domestic flights was forced to make an emergency landing in western Japan earlier on Wednesday.[Photo/Agencies]