SOUTH LAKE TAHOE, California – Federal agents have raided a medical marijuana dispensary at South Lake Tahoe.Five agents from the U.S. Drug Enforcement Agency were joined by local and federal authorities when they served a search warrant Thursday on Patient to Patient Collective.

DEA Special Agent Gordon Taylor says agents seized between five and 10 pounds of processed marijuana and a small amount of U.S. currency from the dispensary.

Taylor declined to release additional details on the raid, saying the dispensary is part of an ongoing investigation.

No arrests were reported.

Physician-approved marijuana use for medical purposes has been declared legal in California since voters passed Proposition 215 in 1996.

In 2003, the Legislature provided additional legal guidance to medical marijuana users and led to dispensaries opening in California.

Federal law makes marijuana use and sales illegal—even for medical reasons.