A sombre-looking Angela Merkel joined the Mayor of Berlin, and Germany’s foreign and interior ministers at the scene of the deadly truck attack on the Christmas market in the capital.<br /><br /> Known for her open-door refugee policy, the Chancellor earlier told the press it would be “particularly sickening” if it turned out the vehicle’s driver was an asylum seeker.<br /><br /> While she signed a book of condolences in the Kaiser Wilhelm Memorial Church, people outside were remembering those who lost their lives.<br /><br /> Several European countries also paid tribute to Germany and its victims. Belgium, Spain and France, each of which have been hit by terrorism, all observed a minute’s silence on Tuesday.<br />