, ▁and ▁Lü beck . ▁They ▁were ▁esc orted ▁by ▁a ▁number ▁of ▁destroy ers , ▁tor ped o ▁boats , ▁and ▁mines we ep ers . ▁The ▁bomb ard ment ▁went ▁as ▁planned , ▁though ▁the ▁destroy er ▁ ▁struck ▁a ▁mine ▁in ▁Lib au ' s ▁har bor , ▁which ▁ble w ▁off ▁her ▁bow ▁and ▁destroyed ▁the ▁ship . ▁German ▁ground ▁forces ▁were ▁successful ▁in ▁their ▁assault ▁and ▁they ▁took ▁the ▁city . ▁ ▁On ▁ 1 ▁July , ▁the ▁min el ayer ▁, ▁esc orted ▁by ▁the ▁cru is ers ▁Ro on , ▁A ugs burg , ▁and ▁Lü beck ▁and ▁seven ▁destroy ers , ▁laid ▁a ▁mine field ▁north ▁of ▁Bog sk är . ▁While ▁returning ▁to ▁port , ▁the ▁fl ot illa ▁separated ▁into ▁two ▁sections ; ▁A ugs burg , ▁Al bat ross , ▁and ▁three ▁destroy ers ▁made ▁for ▁R ix hö ft ▁while ▁the ▁remainder ▁of ▁the ▁unit ▁went ▁to ▁Lib au . ▁A ugs burg ▁and ▁Al bat ross ▁were ▁intercept ed ▁by ▁a ▁powerful ▁Russian ▁squad ron ▁commanded ▁by ▁R ear ▁Admir al ▁Bak hire v , ▁consisting ▁of ▁three ▁arm ored ▁and ▁two ▁light ▁cru is ers . ▁Com mod ore ▁Johannes ▁von ▁Kar pf , ▁the ▁fl ot illa ▁commander , ▁ordered ▁the ▁slower ▁Al bat ross ▁to ▁steam ▁for ▁neutral ▁Swedish ▁waters ▁and ▁re called ▁Ro on ▁and ▁Lü beck . ▁Al bat ross ▁was ▁ground ed ▁off ▁Got land ▁and ▁A ugs burg ▁escaped , ▁and ▁the ▁Russian