Not even the students' yellow had time to catch on: some protesters wore pink.

In return, he wants the protesters to behave and to wear buttons that identify them as "peaceful political activists."

Many protesters wore motorcycle helmets to protect themselves from batons and head injury.

Many protesters -particularly men- wore brassieres outside their clothing as a sign of protest.

Many protesters were wearing motorcycle or football helmets, but the police were well trained and armed.

Some protesters wore black masks and carried the red-and-black flag of anarchists.

The anti-Putin protesters carried white balloons and were wearing white ribbons.

Meanwhile, once a month, several dozen protesters wearing lavender arm bands gather at St. Patrick's.

In some parts of the country, protesters wore white shrouds to symbolise their readiness for martyrdom.

Italian protesters wearing gags gathered outside parliament in Rome.