IDAHO FALLS, Ida. \u2014 Authorities in Idaho Falls say it was individuals lighting fireworks that started a 50-acre fire in the Ammon foothills last week. An investigation into the Blackhawk Fire, which was discovered at around 12:45 a.m. on July 18, determined the fire was caused by individuals lighting fireworks near dry grass in the area. Bonneville County deputies were able to obtain security footage from nearby property owners of the suspects and their vehicle. Deputies have also been speaking with property and vehicle owners who passed through the area at the time of the fire to try and identify the suspects involved.\u00a0From the information received so far, investigators believe at least four individuals, driving a light color passenger car, were involved. They could be seen on security footage lighting multiple fireworks starting the area on fire. Idaho Falls Fire responded to the area above Blackhawk Estates near Henry\u2019s Canyon and was able to contain the blaze later that day. No one was injured in the fire and no structures were harmed. Deputies are asking anyone with information about this crime or who can identify the vehicle and\/or suspects involved to contact the Sheriff\u2019s Office at 208-529-1200. Information about this or any other crime can also be shared anonymously through Crime Stoppers by calling 208-522-1983, reporting online, or by downloading the P3 Tips app on your mobile phone or device.