CALIFORNIA- A number of soldiers have been injured on a US Army base inCalifornia when a military helicopter blew over a tent during an annualtraining exercise, the base said.

Some 22 injuries were reported after a US Army UH-60 Blackhawk helicopterlanding rotor wash caused a tent to collapse at about 9:30 p.m. onWednesday at Fort Hunter Liggett in Monterey County, about 250 miles (400km) northwest of Los Angeles, the base said in posts on Twitter andFacebook.

Four of the injured were taken to hospitals, but the majority of theinjuries were minor and were treated at the scene, the US Army base said.

It was not immediately clear how many of those injured were soldiers, withthe base just saying “a number” had been hurt. No fatalities were reported,it said.

The base said the incident occurred during an annual US Army Reserveexercise for Army Reserve and Army National Guard soldiers.