MILWAUKEE (WTAQ) - Milwaukee police report they are working on a series of four apparently unrelated deaths and five non-fatal shootings which happened in a nine-hour period Wednesday night into Thursday.

A juvenile suspect is being held in custody for stabbing and killing a 25 year old relative Wednesday night.

Then, just before midnight Wednesday, an 18 year old man in a barber shop was shot to death and a 21 year old man was wounded. A 26 year old suspect is held in connection with that case.

An hour later, in the early hours of Thursday, a 34 year old man was shot to death and no suspects have been arrested.

Then, soon after that, two shootings left 4 people injured.

Police say they are also investigating the death of a 3 month old infant.