MANCHESTER, N.H. — The Manchester VA Medical Center, under investigation after reports of substandard treatment and conditions, is now dealing with flooding and severe water damage.

The hospital says a mechanical pipe failure early Wednesday caused flooding on a number of floors.

Health care services provided on the first and second floors haven't been affected, but about 250 patients with appointments in the affected areas on five floors above that were being contacted to reschedule.

The hospital says it may be two to four weeks before things are back to normal.

Members of the state's congressional delegation expressed concern about the flooding.

Veterans Affairs Secretary David Shulkin removed two officials at New Hampshire's only veterans' hospital and ordered a review of the facility this week after the Boston Globe reported on a whistleblower complaint filed by physicians.