JERSEY CITY - Over a half-million dollars of illegal weed was seized when city police busted a black market marijuana pop-up last week, the city announced Thursday.

Police also recovered hundreds of prerolled joints, marijuana-infused edibles, vape oils, 35 pounds of marijuana flower and a handgun from a vacant mechanics garage in the McGinley Square neighborhood where a "Blunts n' Beers" event was held April 25, city spokeswoman Kimberly Scalcione said in an email.

Police were alerted to the pop-up event when they were dispatched to investigate "dangerous conditions" — large crowds and trespassing on nearby properties, Scalcione said.

ICYMI EXCLUSIVE: Jersey City police arrest 13 during raid of black market marijuana pop-up

"Running a large-scale black market operation like this creates an attractive nuisance drawing potential violence and robberies," she said.

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The city confirmed the USA TODAY NETWORK New Jersey's report of 13 people arrested as a result of the raid. Scalcione said police recovered approximately 35 pounds of marijuana, in addition to:

421 prerolled marijuana cigars and cigarettes

863 containers of marijuana vape oil

512 cans or jars of prepackaged raw cannabis

532 marijuana edibles, including "several different candies, baked treats and snacks"

97 containers of marijuana-infused wax

The weed recovered by police has an estimated value of more than $500,000, Scalcione said.

Of the 13 people arrested, seven were charged with possession of more than 50 grams of marijuana and possession of marijuana within 1,000 feet of a school. Hudson Catholic High School is less than a half-mile from the black market pop-up location. The seven are:

Frank Daddato, 45 (Staten Island)

Jose Feliciano, 37 (New York)

Mwata K. Fields, 36 (Rosedale, N.Y.)

Maximilian Kelly (Mountainside)

Terrell Mann, 34

Isaac Mendoza, 41 (New York)

Francis Villa Gil, 21 (Jersey City)

All but Mendoza were charged with marijuana possession within 500 feet of a public park — basketball courts are located near the mechanic garage. Another woman, Kelsey Montalvo, was charged with cocaine possession.

Under New Jersey state law, possession of more than 1 ounce of marijuana with the intent to distribute comes with a minimum three-year prison sentence.

RELATED: Why are New Jersey cops the nation's toughest when it comes to weed?

The suspects' personal information, including ages and addresses, were not included in the state municipal court database. It could not immediately be learned if they were represented by legal counsel.

Five other alleged black market pop-up attendees were charged with possession of less than 50 grams of marijuana:

Noura Elbassiouny, 30 (Mendham)

Hadeer Elkholy, 31

Manuel Morales, 21 (Jersey City)

Aaron Rivera, 24 (Jersey City)

Roman Rosario, 24 (Jersey City)

Possession of 50 grams or less of marijuana is a disorderly person's offense, with a maximum six-month prison term.

In March, the Network took readers inside a similar marijuana pop-up near Trenton where, as in Jersey City, the purveyors publicized the event on social media, including descriptions of particular strains of illegal weed and various cannabis-infused products. Check out photos of what as available in a gallery at the top of the page.

EXPERT OPINION: What do drug dealers think about NJ marijuana legalization?

In an affidavit of probable cause against 21-year-old Francis Villa Gil, one of the alleged marijuana dealers at the event, Jersey City Police Officer Alber Gaguski wrote that the pop-up was held after-hours at a vacant garage near the McGinley Square neighborhood of the city.

"The setup of the garage was structured as a market with different tables providing different assortments of marijuana goods ranging from baked goods, marijuana vape devices, marijuana edibles, raw marijuana, marijuana candies and snacks," Gaguski wrote in his report.

MORE: Here's the latest on the New Jersey legal weed push

What do you think about this raid? Should New Jersey stop going after marijuana users while the state tries to legalize weed? Join "Let's Talk About Marijuana," our Facebook group dedicated to all things legal weed.