MILWAUKEE - The Milwaukee County Medical Examiner is investigating the death of four men who collapsed while removing snow.

According to the Medical Examiner, a 64-year-old man collapsed while shoveling snow on Park Avenue in South Milwaukee and was pronounced dead shortly before 11 a.m. this morning.

A 76-year-old male on the south side of Milwaukee also collapsed while snow blowing and was pronounced dead at 2:31 p.m. this afternoon.

 A 68-year-old male collapsed while shoveling snow on the south side of Milwaukee. He was pronounced dead shortly before 6 p.m. this evening.

 A 78-year-old male was found collapsed after shoveling as well. He was pronounced dead at 5:44 p.m. on the north side of Milwaukee.

The Medical Examiner Office is attempting to notify family. No further information is being released at this time.