A man is still at large after being charged in connection with a double murder in the Okanagan.

On May 10, Penticton RCMP responded to a call and found two dead men in a remote area along the Narama Creek Forest Service Road.

They were later identified as two brothers from Kamloops, Carlos and Erick Fryer.

"Their homicides are believed to be connected to gang and drug activities, with alleged criminal activities not limited to Naramata but other areas of B.C. including northern B.C. and the Lower Mainland," Acting Officer-In-Charge (A/OIC) Supt. Sanjaya Wijayakoon said in a news release.

Wijayakoon is with the B.C. RCMP major crime section.

On June 18, the B.C. Prosecution Service laid first-degree murder charges against two men: 35-year-old Penticton resident Anthony Graham and 32-year-old Naramata resident Wade Cudmore.

On June 9, the Mounties found Cudmore's mother, hair stylist Kathy Richardson, dead in her home.

Cudmore is in custody but Graham has not been apprehended.

"We are concerned that Anthony is a target and those associated to him, or found in his proximity are also at risk," Wijayakoon said. "Anthony, if you see or hear this message, I am asking you to turn yourself into the nearest police station."

Anyone who sees Graham is being advised to not approach him and to call 9-1-1 immediately.