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]
(..) help operating-- I'm standing outside the Miami Metro headquarters, where earlier today, a local woman, Beth Dorsey, attempted a poison gas assault on the station's Homicide department. Channel Nine has learned no officers were hurt in the brazen attack. The only casualty (..)2011 TvShow: Dexter Title: Talk to the Hand Season: 6 Episode 11