Two explosions have been reported at the flooded Arkema chemical plant in Crosby. Reports came in around 2:00am. There are also reports of black smoke coming from the area.
A mandatory evacuation of workers and residents within a 1.5-mile radius had already been conducted on Tuesday.
Officials had previously said there was nothing the could do to stop an impending reaction, because chemicals at the plant would degrade and catch fire after refrigeration units and their backups failed. The facility lost electricity on Sunday after getting more than 40-inches of rainfall from Harvey.
More explosions are possible because the chemicals are stored in several locations. According to a statement from the company, "Organic peroxides are extremely flammable and, as agreed with public officials, the best course of action is to let the fire burn itself out."
The company doesn't expect to be able to regain access to the plant until the water around Crosby crests. That may be up to a week away.