U.S. lawmakers are launching an investigation into the role of events-promoting company Live Nation Entertainment at rapper Travis Scott’s concert at the Astroworld Festival in Houston last month, when 10 people died in a stampede. U.S. Representative Carolyn Maloney, chairwoman of the House of Representatives Committee on Oversight and Reform, and Representatives James Comer, Kevin Brady, Al Green, and Bill Pascrell Jr. sent a letter to Live Nation President Michael Rapino for information regarding the events of the Astroworld Festival on Nov. 5, the congressional committee said. The 10 people who died in the stampede accidentally suffocated, a medical examiner ruled earlier this month. The victims died of compression asphyxia, essentially crushed to death in the crowd surrounding the stage. Another 300 people were injured among the audience of 50,000 people. Victims were trapped and hemmed in by barricades on three sides, unable to escape. Eyewitnesses said spectators fell to …