▁Dublin ▁Castle ▁and ▁isol ating ▁the ▁re bel ▁headquarters , ▁which ▁they ▁believed ▁was ▁in ▁Liber ty ▁Hall . ▁The ▁British ▁commander , ▁L owe , ▁worked ▁slowly , ▁uns ure ▁of ▁the ▁size ▁of ▁the ▁force ▁he ▁was ▁up ▁against , ▁and ▁with ▁only ▁ 1 , 2 6 9 ▁troops ▁in ▁the ▁city ▁when ▁he ▁arrived ▁from ▁the ▁Cur rag h ▁Camp ▁in ▁the ▁early ▁hours ▁of ▁T ues day ▁ 2 5 ▁April . ▁City ▁Hall ▁was ▁taken ▁from ▁the ▁re bel ▁unit ▁that ▁had ▁attacked ▁Dublin ▁Castle ▁on ▁T ues day ▁morning . T own sh end , ▁p . ▁ 1 9 1 ▁ ▁In ▁the ▁early ▁hours ▁of ▁T ues day , ▁ 1 2 0 ▁British ▁soldiers , ▁with ▁machine - g uns , ▁occupied ▁two ▁buildings ▁over looking ▁St ▁Stephen ' s ▁Green : ▁the ▁Sh el bourne ▁Hotel ▁and ▁United ▁Services ▁Club . ▁At ▁dawn ▁they ▁opened ▁fire ▁on ▁the ▁Cit izen ▁Army ▁occup ying ▁the ▁green . ▁The ▁reb els ▁returned ▁fire , ▁but ▁were ▁forced ▁to ▁retre at ▁to ▁the ▁Royal ▁College ▁of ▁Sur ge ons ▁building . ▁They ▁remained ▁there ▁for ▁the ▁rest ▁of ▁the ▁week , ▁ex ch anging ▁fire ▁with ▁British ▁forces . ▁ ▁Fight ing ▁er upt ed ▁along ▁the ▁northern ▁edge ▁of ▁the ▁city ▁centre ▁on ▁T ues day ▁afternoon . ▁In ▁the ▁n ortheast , ▁British ▁troops ▁left ▁Am iens ▁Street ▁railway ▁station ▁in ▁an ▁arm oured ▁train , ▁to ▁secure ▁and ▁repair ▁a ▁section ▁of