( CNN ) -- An 8-year-old boy died when a trailer being pulled by his father ran over him during an Oklahoma Fourth of July parade , while a man driving a tractor died in a collision with a vintage fire truck in another parade nearly 2,000 miles northeast . The young boy either fell or jumped off the float late Thursday morning and was run over by the trailer carrying it , according to police in Edmond , which is about 15 miles north of Oklahoma City . The boy 's father was in the truck that was towing the trailer , which was filled with hay and decorated by small patriotic garland along its edges . The float had a martial-arts theme , according to police spokeswoman Jennifer Monroe . The father rushed out of the vehicle , and he and a nurse who had been riding in a car behind the float performed CPR on the child , police said . Video from CNN affiliate KFOR later showed first responders along the road , which appeared to be bordered by trees , and moving a stretcher with the child into an awaiting ambulance . The boy was later pronounced dead at a hospital , Monroe said . `` Our thoughts today for the family of a 7 yr old boy killed in a float accident at the end of the LibertyFest parade , '' Edmond police said Thursday in a tweet . `` Heartbreaking . '' Money magazine a few years ago listed Edmond , a city of about 81,000 people , as 35th on its list of America 's best small cities . The annual LibertyFest festivities around Independence Day -- highlighted by the parade -- was singled out as a `` must-go event '' in the city , according to the publication , which like CNN is a division of Time Warner . The Edmond incident was n't the only parade fatality this Independence Day . July 4 accidents . A man driving a green tractor in Bangor , Maine , died instantly Thursday afternoon after a vintage fire truck hit him from behind , police said in a statement . Both vehicles were part of the Bangor-Brewer July Fourth parade , which is the state 's largest such parade with more than 1,000 participants and 30,000 spectators , according to Gov . Paul LePage . Police officers in the city 's accident reconstruction team , evidence response team and criminal investigations division -- as well as the medical examiner 's office and a Maine State Police member -- are assisting in the investigation , according to Bangor police . Police Sgt . Paul Edwards explained that the parade was rerouted because of a four-hour standoff in Bangor with a man who 'd shot a gun , prompting a woman and her baby to run for help . `` They would not have been on that street normally , '' Edwards said of the people driving the tractor and fire truck . The suspect fired several rounds at police from a second-floor apartment window , with authorities responding with several rounds of their own and tear gas . The man -- identified by police as 43-year-old Perrin Oliver -- was taken into custody around 12:20 p.m. and charged with criminal threatening and aggravated reckless conduct with a firearm , both felonies . Edwards , the Bangor police spokesman , said he doubts Oliver will face additional charges tied to the tractor driver 's death . CNN 's Kevin Conlon contributed to this report .
NEW : A tractor and fire engine in a fatal Maine parade crash had been rerouted . The tractor driver died after being hit by a fire truck during the Bangor , Maine , event . A boy either fell or jumped off a float in Edmond , Oklahoma , police say . The boy was run over by a trailer being towed by his father , according to police .