ROCK ISLAND, Ill. — The Latest on a tree branch that fell on spectators, killing two, at a western Illinois fireworks display (all times local):

1:45 p.m.

A western Illinois sheriff says the branch that fell on spectators during a fireworks display, killing two, measured more than 8-feet (2.5 meters) around at its base and was about 45 feet (14 meters) long.

Rock Island County Sheriff Gerald Bustos said Wednesday the branch fell from an oak tree that's believed to be about 100 years old. It fell about 25 feet (8 meters) during a Tuesday night event outside the courthouse in Rock Island.

Bustos said autopsies will be conducted later Wednesday on 61-year-old Daniel Mendoza Sr. of Rock Island and 72-year-old Lawrence Anderson of Moline.

Six other people were treated for injuries, including a 21-year-old pregnant woman from East Moline who was near term. Bustos said the woman was taken to a local hospital where she gave birth. He says mother and baby are in good health.

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12:40 p.m.

Authorities say two people have died after a tree branch fell on spectators during a fireworks display in western Illinois.

The Rock Island County Sheriff's Office says the branch fell from a large oak tree outside the county courthouse in Rock Island around 9:40 p.m. Tuesday.

Dozens were sitting near the tree watching the fireworks when the branch fell about 25 feet (8 meters) and crushed some of the spectators. Some of those who weren't hurt tried to lift the branch to free the people trapped beneath.

Authorities said 61-year-old Daniel Mendoza Sr. of Rock Island was pronounced dead at the scene. Seventy-two-year-old Lawrence Anderson of Moline died at a hospital.

Authorities have not provided the causes of death.

Five other people were injured.