Bomb attacks target police in northern Colombia

A rash of bombings hit police stations in northern Colombia over the weekend, killing seven police and injuring dozens more in what authorities said appeared to be the work of drug gangs.The attacks began early Saturday in the city of Barranquilla, where five police officers were killed and 41 injured by a bomb that exploded at a police station during the morning roll call."We have no doubt that this is in retaliation against so many good blows that the police have landed not only on drug traffi