CLEVELAND — Authorities are investigating two mass shootings that injured 13 people total over the last 24 hours — some with minor injuries and others in critical condition. 

Cleveland police said early Monday morning, six people were shot in the 4100 block of E 81st St. shortly after 4 a.m. Police said the victims range from 17- to 30-years-old. 

The 30-year-old was taken to the hospital in serious condition. All other victims are in stable condition. 

Another shooting happened around 9:30 p.m. Sunday in the 3700 block of Woodbridge Ave., injuring seven people. Six of the victims were transported to nearby hospitals, and a 24-year-old was in critical condition. Police said one victim refused to be taken to the hospital.

Authorities are investigating both incidents. Suspects are unknown. Anyone with information is being asked to call (216) 623-5000.

This story will be updated when more information is available.