Staff and patients have been evacuated from Boston’s Pilgrim Hospital after a major fire broke on the stroke unit.
Emergency services were called following reports of the blaze on the ninth floor.
All appointments aprt from outpatients have been cancelled as a result and patients turning up at A&E are being diverted to other hospitals.
It is understood the fire, which started shortly before 6am this morning (Friday), may have been sparked by a microwave.
Around 25 patients who were on the floor at the time are understood to have been moved to alternative wards within the hospital.
There are currently no reported injuries to patients or staff.
A spokesman for the hospital said: “Due to a fire at hospital, day case appointments and elective operations have been cancelled today.
“Outpatient appointments will go ahead as planned. The hospital will be in contact with patients to rearrange those appointments.”