Patient surveillance conducted on an area allegedly known for drug transactions netted two arrests Wednesday night.

According to a press release issued by Chief Tim Sheehan, detectives were conducting surveillance near the junction of Route 133 (Andover Street) and Route 495.

"This area has become known to the Tewksbury Police as a place where numerous drug transactions have been taking place," read the release, in part.

In their report, detectives stated that they witnessed a suspected drug transaction taking place. As a result, they conducted a motor vehicle stop on a vehicle with New Hampshire plates. The Billerica Police K-9 Unit was called to the scene and  the vehicle was searched. The seach revealed a small amount of cocaine and 48 illegally possessed Percocet pills, according to the report. Detectives also seized $6,800 in cash.

Arrested were Joseph Longo 28, of 19 Weetamoe Drive, Ossipee, N.H., and Matthew Eldridge, 28, of 5 Rte 16B, Ossippe, N.H. Both were charged with possession with the intent to distribute a Class B substance (Percocet) and conspiracy to violate drug laws.