The insurance company for a concert equipment vendor filed an at least $3.5 million claim against Live Nation Entertainment Inc. and other defendants allegedly responsible for the Nov. 5, 2021, mass casualty event at Astroworld Festival in Texas.

Federal Insurance Co., a Chubb subsidiary, filed suit in Harris County district court as subrogee to Fuse Technical Group LLC, a vendor that installed lighting and video equipment for the festival at NRG Park.