Mansfield Road in Sherwood, Nottingham, has been evacuated by fire crews who are currently attending a chemical incident.
Fire crews were called to Boots Chemist after two chemicals were mixed together by mistake.
The area has been evacuated as a precautionary measure.
More top news
Ahead of the conference, calls are growing for Midlands regions to have their own devolved powers to match those on offer to Scotland.
After a cool start, Sunday looks set to be a dry and bright day, with sunny spells.
Mainly dry with clear spells but possibly one or two light showers near coasts overnight, remaining largely dry on Sunday.