DULUTH - Duluth police are asking for the public's helping finding an escaped robbery suspect.They're searching for 23-year–old Dennis Yeazle of Duluth. Police say he's a robbery suspect who escaped from a downtown hospital Monday morning. He was originally hospitalized Monday after telling police he swallowed a quarter gram of heroin, before being arrested for aggravated robbery. Police say he was last scene running down 4th Avenue East with an i–v in his left hand and wearing a hospital gown.