British actor Christian Bale, who attended the premiere of The Dark Knight with the shadow of arrest and an allegedly violent family row hanging over him, voluntarily went to a London police station after the event.Police decided to let him attend the event just hours after his mum Jenny and sister Sharon accused him of assault. But Tuesday Bale was arrested after he voluntarily went to a London police station. Cops spent four hours grilling him over the assault claim before he was released on bail without charge.He denies the allegation.Bale, 34, had booked his relatives into the five-star Dorchester Hotel in London s West End so they could attend the premiere. But they hurriedly left and returned home to Dorset.A hotel insider said: There were no problems in any public areas. The family left very hurriedly and without saying much to each other, but the news about this so-called assault was a shock. Nobody here had a clue. Jenny, a part time clown, is said to have claimed she was pushed over during the row, which broke out in Bale s suite when they returned after a meal at a restaurant.After Jenny and Sharon reported the alleged assault, police faced a dilemma over whether to arrest him before the premiere of the new Batman movie.Bale, a keen environmental activist and martial arts enthusiast, also starred in American Psycho, Empire Of The Sun and Batman Begins. ... read more »