Essex police urged people who live around West Thurrock to stay indoors due to the chemical smell after an explosion at a factory.
Police are asking that anyone who lives in the area stay indoors and keeps their windows and doors closed.
There are reports of a strong chlorine smell in the area.
More top news
The 23-year-old dived to his second World Championships 10-metres platform title in Budapest on Saturday.
Heavy rain continues across southern Scotland/northern England and the southwest.
Staff at the hospital treating critically-ill baby Charlie Gard have received "shocking" abuse including death threats over the case.