A litter of leaves and weed floated slowly around it, occasionally disrupted by bubbles of trapped air erupting from the interior of the dome.

The ferry service is occasionally disrupted due to bad weather.

Service on the subway system is occasionally disrupted by flooding from rainstorms, even minor ones.

Sections of track were occasionally disrupted with explosives.

A Lévy flight is a random walk that is occasionally disrupted by large movements.

Tennis remains its own sedate little island, occasionally disrupted by intrusive sounds from the real world.

The ship was targeted by a small protest in December 1967 and reloading in Sydney was occasionally disrupted by union activity.

The six-week trial, heard without a jury, was occasionally disrupted by protesters.

Fogel's long career as a concert organizer has been occasionally disrupted by less spectacular business performance, though not always by circumstances directly under his control.

These are occasionally disrupted by bomb sags, rock that was flung out by the explosive eruption and followed a ballistic path to the ground.