1.   The radio reported that when the back-up unit had arrived the block of shops was on fire.

2.   An IBM Aptiva unit recently arrived here brain-dead.

3.   As patrol units arrived, they were met with gunfire.

4.   As soon as the first units arrived, it was clear they would need more help.

5.   Before the main force units arrive, military sources said, engineers would have to repair roads and bridges.

6.   But as soon as the test units arrived, I saw that my daughters did, in fact, have an appetite for electronic devices.

7.   But Fire Department officials said units arrived within seven minutes.

8.   Company officials told me then that an evaluation unit would be arriving shortly.

9.   Emergency rescue units arrived on the scene immediately and found Earnhardt unconscious and without a pulse.

10.   He called the police, who kept him on the line until a unit arrived.