A desperate search for survivors is on in and around the Italian city of L'Aquila after a quake killed, Italian media say, at least 150 people.Some 5,000 rescuers are picking through rubble in the walled medieval city and nearby towns and villages, some of them said to have been virtually destroyed. Tents are being put up in tennis courts and on football pitches to house some of the 30,000-40,000 homeless. The number of people injured has been put at 1,500.