Houston fire chief speaks out about Astroworld concert tragedy

Samuel Pena, Houston���s fire chief, joins TODAY to talk about the tragic stampede at a concert there. ���As the crowd began to surge and push and compress towards the front, it was those people in the center that began to get crushed,��� he says. ���We���re still trying to determine what caused the crowd to begin that surge. We���re looking at everything.���