Overview

• The April 8 collapse at Santo Domingo’s Jet Set nightclub during a merengue concert killed 236 people and injured more than 180 attendees.
• Antonio and Maribel Espaillat were arrested on June 12 and face criminal charges for ‘‘immense irresponsibility and negligence,’’ prosecutors say.
• A Public Ministry investigation found the owners made unpermitted structural changes, including removing a critical support column and overloading the roof.
• Prosecutors allege the Espaillats attempted to intimidate or manipulate employees who could serve as witnesses in the case.
• The tragedy has spurred a period of national mourning and prompted calls for stricter safety inspections of private entertainment venues.