(September 25, 2018, 10:45 AM EDT) -- LOS ANGELES — Travis L. Barker, the drummer of the band Blink-182, suffered injuries from two different incidents in June and July 2018 — medical malpractice and a vehicle collision — that forced him to cancel a tour and other opportunities, causing him significant economic damage, he alleges in his Sept. 18 complaint filed in a California state court (Travis L. Barker, et al. v. Durham School Services L.P., et al., No. BC722397, Calif. Super., Los Angeles Co.)....