0 0 ▁had ▁been ▁injured ▁and ▁ 1 , 0 0 0 , 0 0 0 ▁made ▁hom eless . ▁The ▁government ▁of ▁H ait i ▁also ▁estimated ▁that ▁ 2 5 0 , 0 0 0 ▁resid ences ▁and ▁ 3 0 , 0 0 0 ▁commercial ▁buildings ▁had ▁col lapsed ▁or ▁were ▁sever ely ▁dam aged . ▁The ▁earth qu ake ▁caused ▁major ▁damage ▁in ▁Port - au - Pr ince , ▁Jac mel ▁and ▁other ▁settlement s ▁in ▁the ▁region . ▁Many ▁notable ▁land mark ▁buildings ▁were ▁significantly ▁dam aged ▁or ▁destroyed , ▁including ▁the ▁President ial ▁Palace , ▁the ▁National ▁Assembly ▁building , ▁the ▁Port - au - Pr ince ▁C athedral , ▁and ▁the ▁main ▁j ail . ▁Among ▁those ▁killed ▁were ▁Arch bishop ▁of ▁Port - au - Pr ince ▁Joseph ▁Serge ▁Mi ot , ▁and ▁opposition ▁leader ▁Mich a ▁Ga ill ard . ▁The ▁headquarters ▁of ▁the ▁United ▁Nations ▁St abil ization ▁Mission ▁in ▁H ait i ▁( MIN UST A H ), ▁located ▁in ▁the ▁capital , ▁col lapsed , ▁killing ▁many , ▁including ▁the ▁Mission ' s ▁Chief , ▁H éd i ▁An nab i . ▁ ▁Many ▁countries ▁respond ed ▁to ▁appe als ▁for ▁human itar ian ▁aid , ▁p led ging ▁funds ▁and ▁dispatch ing ▁rescue ▁and ▁medical ▁teams , ▁engine ers ▁and ▁support ▁personnel . ▁Communic ation ▁systems , ▁air , ▁land , ▁and ▁sea ▁transport ▁facilities , ▁hosp it als , ▁and ▁elect rical ▁networks ▁had ▁been ▁dam aged ▁by