Police warned business owners to take extra precautions to protect their premises during the Covid-19 lockdown.Chief Inspector Arthur Glasford said that business closures or reduced hours meant fewer “eyes on the street” to spot and report suspicious activity.He said the commercial sector should remove cash and receipts from their registers and to leave them open to underline that they are empty.Mr Glasford added that charity boxes, safes and cash boxes with floats should be removed if possible.He said safes that could not be moved should be emptied. Other valuables, including computers and projectors, should be removed and taken home and high-value goods on display should be locked up out of sight.Mr Glasford also advised businesses to be sure that all entrances were secured and that anything that could be used to gain entry, such as bricks, ladders or metal poles, were removed.Roller shutters, if fitted, should be lowered.Businesses that do not have shutters should keep interior lights on at night, as well as exterior lights, so that police patrols can see inside the building.Items such as posters or display racks should also be removed from the windows to give an unobstructed view from outside.Mr Glasford said that an “all valuables and cash removed” sign should be posted in a prominent position outside businesses.He added that business owners should also check the emergency contact list for alarm activation was up to date.