With protests already planned for this weekend's Lib Dem party conference in Brighton the police, politicians and businesses will all have their work cut out.
Around 8,000 politicians will descend on the south coast for the party's first get together in the city for five years. Andy Dickenson reports.
More top news
Saturday evening's weather update for the east
Saturday evening's weather update for the west
Police want to speak to men in connection with an assault in Gravesend.