About 50,000 people without shelter , Italy 's Civil Protection agency says . Berlusconi said 4,000 people were working on the rescue effort . Italian prime minister : Tents being provided for quake survivors . Comment: 6.3-magnitude quake strikes northeast of Rome .
About 50,000 people without shelter , Italy 's Civil Protection agency says . Italian prime minister : Tents being provided for quake survivors . Comment: 6.3-magnitude quake strikes northeast of Rome .