4 US marines killed in helicopter crash

 Washington, April 4: Four US marines have been killed in a helicopter crash while carrying out a routine training exercise in California. The Marine Corps said on Wednesday that the cause of the accident, that took place on Tuesday, was being investigated, Efe news reported. The helicopter, a CH-53E Super Stallion, crashed near El Centro, a few kilometres from the border with Baja California in Mexico.(IANS)