He shouted orders, and the alarm flashed through the encampment.

Or perhaps this was part of the trap, and somewhere a silent alarm was already flashing, to indicate he'd arrived.

The digital alarm was flashing 12:00 repeatedly, which suggested a minor power outage earlier.

The meteor alarm flashed, and a bell dinged once.

Again, his initial alarm flashed back to anger.

But somewhere an alarm would be flashing.

A moment later, an alarm flashed through the strike team's open com channel, interspersed with a steadily rising tide of static.

If Ryer's presence at the Druid's side had been detected, an alarm would have sounded or flashed.

An alarm light flashed on the control panels.

Suddenly the screen crackled and an alarm light flashed from Daisy.