U2 and its frontman Bono, known for their global poverty-fighting efforts, were accused of dodging taxes in Ireland by activists who crashed their performance at England's Glastonbury festival.

The anti-capitalist group Art Uncut inflated a 6-metre balloon emblazoned with the message "U Pay Your Tax 2." Security guards wrestled them to the ground before deflating the balloon and taking it away. About 30 people were involved in the angry clash.

Adam Clayton, Bono Larry Mullen Jr and The Edge of U2 perform at the Glastonbury Festival at Worthy Farm, England. Credit:Getty Images

Bono fan Gary Noble, 45, said he found the security response "all a bit shocking."

"I love U2 but I think everyone should pay their taxes. The campaigners have a right to voice their opinion," he said.