KUALA LUMPUR, Malaysia (AP) — Military radar indicates that the missing Boeing 777 jet may have turned back before vanishing, Malaysia's air force chief said Sunday as authorities were investigating up to four passengers with suspicious identifications.

Chelsea striker Samuel Eto'o made fun of manager Jose Mourinho's doubts about his age with an 'old man' celebration during his side's 4-0 win over Tottenham Hotspur on Saturday. Mourinho sparked controversy last month when footage of him suggesting that Eto'o may be older than he claims -- 32 -- was broadcast by a French television channel. After putting Chelsea ahead in the 56th minute, Eto'o raced to the corner flag, but abruptly slowed down, putting his left hand on his back and stooping to mimic old age. Mourinho claimed to have enjoyed Eto'o's celebration, telling Sky Sports: "It was fantastic.