The Saskatoon Police Service Serious Assault Unit is investigating after a report of an injured 30 year old man male around 8 in the morning on Saturday.  A news release from the Police Service says a passerby found the man in the 100 block of 7th Street East and he appeared to be in medical distress. He was transported to Royal University Hospital in serious condition. Anyone with information is asked to contact the police or leave an anonymous tip through Crime Stoppers.