The Latest: CEO: Cause of Texas plant fire still unknown

HOUSTON (AP) — The Latest on a fire at a Houston-area chemical plant (all times local):
5:55 p.m.
The CEO of a company whose plant caught fire in Texas says investigators are still determining the cause.
John Foley, president and CEO of KMCO, said at a news conference Tuesday afternoon his company will find the cause of the fire and “take steps to ensure this doesn’t happen again.”
Authorities say one person was killed and two others injured at a fire Tuesday at KMCO&rsqu