Construction began on NUMBER@1 April NUMBER@2 and the line officially opened in NUMBER@3 , taking over the train tracks running through the LOCATION@1 from the Kwun Tong Line , running from LOCATION@2 to LOCATION@3 .

Construction began on NUMBER@1 April NUMBER@2 and the line officially opened in NUMBER@3 . It took over the train tracks running through the LOCATION@1 from the LOCATION@4 , and ran from LOCATION@2 to LOCATION@3 .
