He was accused of 'assault'. = He was charged with 'assault'. = 'Assault' charges were brought against him.
He came 'under assault' for his unusual beliefs. [=he was severely criticized for his unusual beliefs]
He was found guilty of 'sexual assault'. [=the crime of touching someone in an unwanted sexual way]
(..) The lead dog drives the impala towards the hidden flankers. Anticipating their line the leader cuts the corner and joins a flanker for the final assault. It's all or nothing. One on one. The dog has stamina, the impala has speed. Leaping into the lake (..)2006 TvShow: Planet Earth Title: From Pole to Pole Season: 1 Episode 1