Portuguese member of the European Parliament Paulo Rangen holds a placard reading "Je suis Charlie" (I am Charlie) next to his Polish colleague Jacek Emil Saryusz-Wolski, after the assembly observed a minute of silence on January 12, 2015 in Strasbourg, eastern France, for the victims of last week's Islamist attacks in Paris. European nations have pushed for tighter anti-terror controls after last week's Islamist attacks in Paris, but concerns about civil liberties and intelligence sharing may limit their arsenal, analysts said. The European Parliament has meanwhile blocked other measures due to concerns about the effect on civil liberties from the storing of huge tranches of data about the EU's 500 million citizens. AFP PHOTO / PATRICK HERTZOG