Security is on high alert in Britain following Monday's Berlin attack which claimed the lives of 12 people at the Christmas market.
Various road closures are being put in place around Buckingham Palace amid fears of a possible copycat attack.
Scotland Yard has confirmed they are reviewing plans for public events taking place across London.
Authorities have launched a manhunt for the perpetrator after ISIS (Islamic State) claimed responsibility for the terror attack.
702's Bruce Whitfield talks to UK correspondent, Adam Gilchrist, about the issue.
Extra security barriers are being installed in certain areas around White Hall and Buckingham Palace.— Adam Gilchrist, UK correspondent
Listen to the interview below for more details: