An Emirates Airlines passenger jet, on a flight from Dubai to the Kenyan capital, Nairobi, made an emergency landing in Aden today after the captain reported engine problems.According to reports from Yemen, the pilot of the Boeing 777 made the forced landing at 1l.23 local time when one of the engines developed a sudden breakdown.Flight 423 dumped fuel over the sea before landing safely, said Aden International Airport manager Mohamed Gamia' al-Khidr. No one was injured and the passengers were transferred to the airport terminal.Another Emirates aircraft is being flown to Aden to take passengers on to Nairobi. Leo/ORD