The 400-member emergency unit received more than 1,100 suicide calls last year.

We have had other public reports of closed accident and emergency units.

Finally the rear center door opened, and an emergency medical unit appeared.

But in this case, the police said, the officers felt that they could not wait for an emergency unit to arrive.

At 10:30, four officers and a sergeant from the emergency unit arrived.

Three more precious minutes passed before he pulled the car to a halt in front of the hospital's emergency unit.

That's the emergency unit and I don't think they know we've got it.

One screen displays the status of each emergency unit on duty.

The company's abrupt action has left emergency units around the country scrambling.

They were pinned down by gunfire until emergency units arrived.