US spying reports shakes allies' trustTo view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Sandtner, Elke10/25/2013October 25, 2013Germany has summoned the US ambassador after it emerged Washington put Chancellor Merkel's cell phone under surveillance. She has demanded an explanation from Barack Obama but the White House says the US is not monitoring Merkel's communications.https://p.dw.com/p/1A5q3Advertisement