A fire in an electrical room at Boston Medical Center Brighton damaged electrical systems but was contained, and hospital officials report all patients and staff are safe.

Some areas of the hospital remain without power, prompting transfers of patients to other facilities, including the main campus, to maintain continuity of care.

The fire’s cause is under investigation, and family members of transferred patients have been notified.

This is a developing situation, with local outlets expected to provide updates as more information becomes available.

Further updates are anticipated from local news outlets as the incident unfolds.

A large emergency response remained on scene around morning rush hour at the intersection of Cambridge and Washington streets, with numerous first responders continuing to operate.

Elective procedures and outpatient appointments are being rescheduled as a result of the incident.

Planned procedures and outpatient visits for the day were postponed, and the hospital is not accepting ambulance traffic while the situation is managed.

The emergency department is temporarily not receiving new patients as operations are disrupted.

Officials described the evacuation as a complex, coordinated effort to move critically ill patients attached to machines and monitors.

The Brighton emergency department is not accepting ambulance patients while the situation continues.

Initial evacuations involve moving patients to other hospitals rather than internal transfers within the Brighton campus.