BOSTON (WHDH) - Crews and construction equipment were out in force in Boston’s South End Monday after an overnight water main break left part of the South End underwater and caused pavement on Tremont Street to buckle.

The 20-inch water main burst at approximately 3:30 a.m. Monday morning, spewing water and debris across the city streets.

Sarah Donner was forced to watch from her balcony as her vehicle slowly descended into a gaping sinkhole.

“At first I was like ‘wait what’s going on?” Sarah Donner told 7NEWS. “Then I saw the hole. Then I was like ‘wait, wait, wait my car’s over there.'”

Another Tremont Street resident told 7NEWS they woke up to a flooded basement apartment as the waters rose between Mass. Avenue and Hammond Street.

“I woke up and, literally, my whole downstairs apartment was drenched in water from my living room to my kitchen,” Stephany Perez said.

Boston Police officers have been redirecting traffic in the surrounding area throughout the morning. No timetable has been released for when the affected roads will fully reopen.

Monday morning’s water main break comes days after crews spent the weekend fixing another break that was similar in scale by Boston Common.

The Boston Water and Sewer Commission told 7NEWS the city typically deals with 30-40 water main breaks a year and that the water main that burst last night was part of an 1872 installation.

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