Gramecry Pictures has released the domestic trailer for the action thriller London Has Fallen [HFAL2], the sequel to Oylmpus Has Fallen. Gerard Butler [GBUTL] is back as Secret Service Head Mike Banning as he accompanies the U.S. President, played by Aaron Eckhart [AECKH], to London for the Prime Minister's funeral. There, he uncovers a plot to assassinate all the attending world leaders. London Has Fallen hits theaters on March 4th.