ESSEX Police was called to Weston Avenue, Thurrock, at around 2.45pm on Tuesday 13 September following a report of a man holding an item that has been described to us as a firearm.
It was reported that a bang was heard before two men left the scene.
An investigation has been launched, and at this stage we do not believe anyone was injured.
Detective Inspector Yoni Adler investigating said; “Officers were on scene yesterday and the retail park area was closed off so they could carry out investigative duties.
“We have spoken to a number of people to establish what happened, but would like to speak to anyone who has information that could help us.
“Anyone in the area at the time that has dash cam footage is asked to check it to see if they have captured anything that may help the investigation.
“Officers will carry out reassurance patrols in the area today. If you have any information, approach them and tell us what you know.”
If you have any information, CCTV, dash cam or other footage in relation to this incident, then please get in contact with us.
You can let us know by submitting a report on our website or by using our online Live Chat service available Monday to Friday (excluding public holidays) between 10am-9pm.
Visit www.essex.police.uk/digital101 to find out more about our website reporting services.
Alternatively, you can call us on 101.
In an emergency always call 999.
If you would like to make an anonymous report, you can contact independent charity on Twitter at @CrimestoppersUK, by visiting their website or by calling 0800 555 111.
Please quote crime 42/236563/22 when providing any information to make sure it gets to the right person as quickly as possible.