A retaining wall partially collapsed Monday night outside a condominium complex in Brighton, causing a mudslide that damaged two vehicles and left a third stuck, police said.
Several sections of the nearly 30-foot wall gave way after heavy rains in recent days, causing mud to pour onto three cars parked near the wall, police said in a report.
One was “partially crushed” and another was surrounded by 2 to 3 feet of mud and could not be moved, police said. The collapse at 121 Tremont St. was reported at 8:46 p.m. City inspectors determined that the rest of the wall was structurally safe but “residents should come out and move their vehicles that are parked along it,” police said.
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Inspectors determined the wall collapsed “due to possible hydrostatic pressure due to heavy rainfall.” The owner was asked to “submit an engineer’s report with exact cause(s) and recommendations of repair,” according to Lisa Timberlake, a spokeswoman for the city’s Inspectional Services Department.
Police helped residents move their cars, officials said.
A white 2020 Honda Pilot and a gray or silver Toyota were damaged in the accident. An orange 2016 Hyundai Tucson was left stuck in the mud.
Travis Andersen can be reached at travis.andersen@globe.com.