A 25-year-old man has killed his ex-girlfriend, three family members and a new boyfriend in the Austrian Alpine resort of Kitzbühel.

According to the Austrian news agency "APA" that the young man surrendered to police in the eastern town of Innsbruck, famous for hosting a famous ski race on the hills, and confessed to killing the five on Sunday morning.

The newspaper "Courier" Austrian that the suspect separated from his girlfriend two months ago, noting that he assaulted her and her new boyfriend F.

Police said he shot the father as he opened the door and then shot the brother of his 25-year-old ex-girlfriend in his bedroom.

After killing her mother, police said he climbed a balcony overlooking the room of his ex-girlfriend and killed the 19-year-old girl and her 24-year-old boyfriend.