UNKNOWN WINS AMERICAN BOX OFFICE

The thriller "Unknown", starring Liam Neeson, was the most watched in its debut weekend in theaters in the United States and Canada, to raise $ 21.8 million, according to preliminary estimates released on Sunday. The success reminded the actor other film released in 2009: the action film "Taken." "Unknown", from Warner Bros., tells the story of a botanist who wakes from a coma and learns that his wife refuses to meet him and another man has usurped her identity. The action film "I am Number Four," DreamWorks, came in second place, grossing 19.5 million dollars.