More than 15,000 people dressed head to toe in white packed the Palais des congrès Sunday night for the annual Bal en Blanc all-night dance party.

The 18th edition of the Bal started Sunday night and will wrap up at noon on Monday.

The rave draws DJs and party-goers from around the world.

Attendees paid between $92 and $137 to get into this year’s event. They had to adhere to a strict white-only dress code and consent to an extensive search before they were admitted.

Montreal Police said two arrests were made at this year’s event, a low figure compared to some years past.

Two men in their early 20s will face charges relating to drug possession.