I pushed limits too far: US singer Urista as she apologises for urinating on fan's face

Brass Against's singer Sophia Urista has apologised for urinating on a fan's face after inviting him to lie down on stage during a concert in US' Florida recently. "I have always pushed the limits in music and on stage. That night, I pushed the limits too far...I know that some were hurt or offended by what I did," she tweeted.