CHUNKY, Miss. (AP) — The Latest on a Halloween night hayride accident that killed people on a Mississippi highway including a mother and her two young daughters. (all times local):

8:45 a.m.

Authorities say a mother and her two daughters were killed when the trailer they were riding on was struck by a pickup truck in a small Mississippi town on Halloween night.

Mississippi Highway Patrol Capt. Johnny Poulos (POH-less) tells The Associated Press that 33-year-old Kristina Shaver, 8-year-old Baylie Shaver and 2-year-old Brooke Shaver died at the scene Monday night. Newton County Coroner Danny Shoemaker says the three were a mother and her two daughters. All three were from Chunky.

Poulos says six other people on the trailer were taken to hospitals in Meridian and Jackson. He says all six are in critical condition.

Poulos says a Ford pickup slammed into the rear of the small utility trailer being towed by a Jeep as both vehicles were traveling westbound on U.S. Highway 80.

He said the drivers of the Jeep and pickup were not injured.

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12:05 a.m.

Newton County Coroner Danny Shoemaker says the three were all related to each other. Their names, ages and details about how they were related were not immediately being released late Monday. Shoemaker says two died at the scene of the wreck and one died while waiting for a hospital helicopter.

Mississippi Highway Patrol Capt. Johnny Poulos (POH-less) tells The Associated Press the accident happened on U.S. Highway 80 in Chunky, about 80 miles east of Jackson. He says it appears a vehicle struck a flat-bed trailer carrying people celebrating Halloween about 7:45 p.m. CDT.

Investigators were on the scene late Monday.

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11:28 p.m.

A law enforcement officer says three people have been killed and several injured when a trailer pulling people for Halloween festivities was struck in eastern Mississippi.

Mississippi Highway Patrol Capt. Johnny Poulos (POH-less) tells The Associated Press the accident happened on U.S. Highway 80 in the small town of Chunky, about 80 miles east of Jackson. He says it appears a vehicle struck a flat-bed trailer carrying people about 7:45 p.m.

He says the three people killed were on the trailer. Three helicopters and several ambulances took injured people to three hospitals. Poulos says some had life-threatening injuries.

Investigators were on the scene late Monday. Names of those killed and details about the number of people injured were not immediately available.