The cause of the fire is under investigation, and officials have not released additional details at this time.

No further details on the cause or injuries were provided in the latest update, but officials said updates would continue as the situation evolves.

Videos circulating on social media show the blaze’s spread and intensity, including footage from a Boston resident near Logan Airport.

The incident occurred Sunday around 6 p.m. and the fire was brought under control after it spread to multiple structures.

Officials and the Boston Fire Department provided updates via social media as the situation developed.

A firefighter sustained burn injuries to a hand; no other injuries were detailed.

A three-story, multi-family home on Princeton Street in East Boston was heavily damaged, with flames visible from all three porches.

The blaze extended to a neighboring building and escalated to a fourth alarm as more crews were dispatched.

The fire spread to additional buildings on Princeton Street and caused damage to three buildings on Saratoga Street.

It was not immediately known whether anyone was injured.

This is a developing story with ongoing updates expected.

Flames were reported on the rear side of the building and spread into the attic, prompting a major firefighter response.