Passersby pelted water bottles at the protesters, because they held up signs and chanted in support of Uriel Ferera, a 19-year-old Israeli who refused to enlist on moral grounds.
He was tear-gassed, shoved, insulted and pelted with water, and emerged gasping for air.
The celebrating Uruguayan players were briefly pelted by water bottles from the crowd.
On a visit to Washington, DC, last week Mr Livingstone was pelted with water by an animal-rights activist, who called him a pigeon-murderer.
The man, in his 40's, is accused of climbing onto a scaffolding support tower connected to the plexiglass box where Mr. Blaine, 30, is living, pelting him with water bottles and other objects, and trying to cut the water line and other cables.
Halfway through, I became exhausted and sat cross-legged on the floor of the shower — the water pelting down on my hunched back, echoing up and filling my head with nothing but its steady pounding.
The streetlights and the signs on Hollywood Boulevard shimmered a little as another downpour started pelting the windows with water.
Demonstrators report that around 2 p.m. several hundred people opposed to the pro-democracy group descended on their encampment, destroying tents, pelting them with full water bottles and threatening the students.
A decade ago, scientists found that most of the noise in water pelted by raindrops is not the sound of the raindrops hitting the water but rather vibrations of microscopic bubbles created by the impacts.
When it rained, water pelted the leaves outside my enchanted tree house.
