An hour or so went by with no signs of pursuit.

Both times he returned to report no sign of pursuit.

Out on the street, there was no sign of pursuit.

He saw no sign of pursuit, but the feeling remained.

He'd gone for what seemed like hours without sign of pursuit.

And so far he had seen no sign of pursuit.

Two hours later there was still no signs of pursuit.

Behind him in the trees, there was no sign of pursuit.

They were almost at the river, with no sign of pursuit behind them.

"And keep your eyes open for any sign of pursuit."