Best party in the world': San Fermin kicks off in Pamplona, Spain

Crowds throng the square outside Pamplona's town hall, waving red fabric and jumping in unison as the San Fermin bull running festival kicks off.

"We are all the same in San Fermin, we are all equals and we all want to have fun," Mila, who lives in Pamplona says, calling it "the best party in the world.