A Greater Manchester Police training exercise is being executed inside Manchester Arndale tonight.
The police force will be entering the shopping centre after it closes to take part in a live action training situation and are reassuring people not to be concerned if any loud bangs are heard.
North West Ambulance Service staff and Greater Manchester Fire and Rescue Service will also be involved in the pre-planned scenario.
The exercise allows emergency service staff to gain experiencing in real-world situations in genuine settings.
GMP released a statement on Twitter today regarding the operation, which said: "Officers from Greater Manchester Police alongside partners from NWAS and GMFRS will be taking part in a pre-planned routine training exercise within Manchester City Centre at Manchester Arndale this evening after the centre has closed.
"During this time, if you are within the area – you may hear loud noises coming from the centre however please do not be alarmed or concerned.
"This activity forms part of GMP’s on-going commitment to ensure officers have substantial training in real-life scenarios. There is nothing to suggest an immediate threat in Greater Manchester."
I'm sure someone will find a reason to moan about it...