▁Major - General ▁Patrick ▁W au cho pe ▁and ▁Brig ad ier - General ▁the ▁Honor able ▁Robert ▁Me ade , ▁on ▁a ▁mission ▁to ▁secure ▁the ▁Ab our m and ur ▁He ights ▁( the ▁height s ▁of ▁C aff ar ille ▁and ▁C ret in ), ▁outside ▁the ▁city . ▁The ▁force ▁entered ▁Ros etta ▁without ▁encounter ing ▁any ▁opposition , ▁but ▁as ▁soon ▁as ▁they ▁had ▁dispers ed ▁among ▁the ▁narrow ▁streets , ▁the ▁g arrison ▁opened ▁fire ▁on ▁them ▁from ▁the ▁l att iced ▁windows ▁and ▁the ▁roof s ▁of ▁the ▁houses . ▁They ▁retre ated ▁on ▁Ab ou kir ▁and ▁Alexand ria , ▁after ▁taking ▁heavy ▁losses : ▁of ▁General ▁W au cho pe , ▁three ▁other ▁officers , ▁and ▁ 1 8 5 ▁men ▁were ▁killed , ▁and ▁General ▁Me ade , ▁nin ete en ▁other ▁officers , ▁and ▁ 2 8 1 ▁men ▁were ▁wounded . ▁The ▁heads ▁of ▁the ▁British ▁s lain ▁were ▁fixed ▁on ▁st akes ▁on ▁the ▁sides ▁of ▁the ▁road ▁crossing ▁the ▁Ez bek ia ▁in ▁C airo . ▁ ▁M ano e uv ring ▁against ▁Muhammad ▁Ali ▁Muhammad ▁Ali , ▁mean while , ▁was ▁conduct ing ▁an ▁expedition ▁against ▁the ▁Be ys ▁in ▁Upper ▁Egypt ▁( he ▁later ▁defeated ▁them ▁near ▁Ass i ut ) ▁when ▁he ▁heard ▁of ▁the ▁arrival ▁of ▁the ▁British . ▁In ▁great ▁alarm ▁l est ▁the ▁be ys ▁should ▁join ▁them , ▁especially ▁as ▁they ▁were ▁far ▁north ▁of ▁his ▁position , ▁he ▁immediately ▁sent ▁mess