He looked around for signs: dive floats, the surface boiling with a sub's backwash or a foil coming up from the depths.

Then the surface of the sea boiled and he choked in the heat, but always the pain was there like a rock to hold onto.

The rocky surface was boiling hot, seething with pools of radioactive lava.

The surface of the Yarmuk suddenly boiled and frothed.

The surface of the ground boiled away under the descent rockets.

The surface of the beck seethed and boiled where the gentleman was imprisoned.

The surface of the Markerwaard boiled whitely and erupted a great column of water climbing vertically skywards toward s the helicopter's camera.

Pretty soon the surface of the pool was boiling with foam, like we'd dropped in a giant Alka-Seltzer.

The blue flashes of power guns winked; here and there, the surface of the tarmac boiled as wild shots struck.

Instantly, huge gouts of steam rose up off the water as the surface boiled.