CHICAGO (CBS) — Police on Sunday seized more than one arsenal of weapons from the West Pullman neighborhood.

Police Chief Communications Officer Anthony Guglielmi tweeted that numerous weapons were seized from a large street gathering at 11648 S. Peoria St., where a memorial was being held for a recent homicide victim.

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Meanwhile, police also seized a trove of assault weapons near the Peoria Street site.

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One of the firearms police confiscated was a high-capacity ammunition drum that is capable of holding upwards of 100 rounds.

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People of interest were in custody for questioning Sunday afternoon, and the investigation continued.