A fire that swept through a six-story student apartment building in northern England

Fire fighters work at the scene of a major fire at a student residential building in Bolton, England, late Friday Nov. 15, 2019. Fire crews tackled the large blaze described by an eye witness as “crawling up the cladding” of a student accommodation building, with students evacuated but still being accounted for Saturday morning. (Peter Byrne/PA via AP)

Fire fighters work at the scene of a major fire at a student residential building in Bolton, England, late Friday Nov. 15, 2019. Fire crews tackled the large blaze described by an eye witness as “crawling up the cladding” of a student accommodation building, with students evacuated but still being accounted for Saturday morning. (Peter Byrne/PA via AP)

Fire fighters at the scene of a major fire at a student residential building in Bolton, England, late Friday Nov. 15, 2019. Fire crews tackled the large blaze described by an eye witness as “crawling up the cladding” of a student accommodation building, with occupants still being accounted for Saturday morning. (Peter Byrne/PA via AP)

Fire fighters at the scene of a major fire at a student residential building in Bolton, England, late Friday Nov. 15, 2019. Fire crews tackled the large blaze described by an eye witness as “crawling up the cladding” of a student accommodation building, with students evacuated but still being accounted for Saturday morning. (Peter Byrne/PA via AP)

Fire fighters at the scene of a major fire at a student residential building in Bolton, England, late Friday Nov. 15, 2019. Fire crews tackled the large blaze described by an eye witness as “crawling up the cladding” of a student accommodation building, with students evacuated but still being accounted for Saturday morning. (Peter Byrne/PA via AP)