So what are Spain's flags and what do they mean? Flash flooding caused significant damage on the Greece's Paros island. People are being evacuated as a volcano erupts in south-west Iceland ...

Yellow flags have been raised on a beach in Tenerife to warn tourists about dangerous marine life that's been spotted in the waters, as well as a purple flag ...

In Madrid more or less delirious Spanish mobsters and political ex-convicts paraded around, brandishing plain red flags, singing the Internationale and shouting vaguely “Long Live Russia!” ...