As many as 40 people have been injured in a car bomb explosion in a suburb of Madrid this morning.None of the injuries are said to be life threatening. Apparantly the Basque terror group ETA had tipped off a newspaper beforehand that it had planted the bomb. It gave police time to evacuate the area. The blast occured near the Convention centre where an arts fair is being opened today by Spain’s King Juan Carlos. Many of the injured were police officers sealing off the area around the car and employees of a French computer firm near the scene. The blast occured just hours after Spanish police launched another sweep against suspected members of the Basque terror group. As many as 9 people were arrested in a fishing village near Bilboa during the middle of the night and another was seized in Valencia.ETA which has waged a decades-long terror campaign for an independent Basque homeland on both sides of the Spanish-French border has been hit hard by a crackdown in recent years.It follows increasing cooperation by police on both sides of the border which has led to dozens of arrests.