ATF May 15, 2018 7:24 pm Explosion That Rocked OC Building Was No Accident: Sources New pictures and new information on the explosion that was “intentional” have just been revealed. Hetty Chang reports for the NBC4 News at 6 Tuesday, May 15, 2018. US & World Videos 0:41 MLB will reportedly modify uniforms by 2025 after player complaints 1:40 Charlie Puth reacts to Taylor Swift's ‘The Tortured Poets Department' name-drop 2:52 Severe weather kills at least 5 as tornadoes rip through Midwest and South 0:48 World Central Kitchen to resume operations in Gaza 3:41 Entry restricted at USC as protests continue on campus