Stina Blackstenius struck a late winner as Arsenal shocked two-time holders Barcelona 1-0 in Lisbon to dramatically claim their second Women’s Champions League title.Arsenal withstood a flurry of Barca chances before Swedish star Blackstenius broke the deadlock in the 75th minute when she latched onto fellow substitute Beth Mead's reverse pass in a crowded penalty area and fired a low diagonal shot past goalkeeper Cata Coll at the Estadio Jose Alvalade.