Saoirse Ronan searches for her son in trailer for Steve McQueen's Blitz
Saoirse Ronan can be seen searching for her missing son in the trailer for Steve McQueen's war drama Blitz. The film, set during the Second World War, follows the journey of a nine-year-old boy called George, played by Elliott Heffernan, who embarks on a journey home to east London after his mother sends him to the English countryside.