The relatives of hostages abducted and taken to the Gaza Strip are urging Germany to do more to secure their release with a demonstration in Berlin, six months after the attack on Israel by the Palestinian Islamist organization Hamas. As part of their campaign they dropped hundreds of pictures of the hostages from a balloon 150 metres above the centre of the capital, with the written demand “Bring them home.” They also set up an oversized hourglass between the Chancellery and the Bundestag with the inscription “Time is running out.” “We are here to remind the people that we are still waiting f…