READ: Live updates as two police incidents cause major disruption in Leeds city centreThe police sealed off Moto-Vation garage on National Road in Hunslet on Wednesday (August 8) evening.
A West Yorkshire Police spokesperson said: "Police have been attending at a garage in Hunslet, Leeds as part of an ongoing operation into firearms offences.
"Enquiries remain ongoing."
READ: Man sent intimidating text message to teenage victim in Leeds sex abuse caseThe owner of Moto-Vation, John Birley, told the Yorkshire Evening Post: "We are fully co-operating with the police and we understand that they have a very serious job to do.
"We are hoping to open to customers again on Saturday."