The German government has demanded an explanation from the US Ambassador in Berlin after a man was arrested on suspicion of spying. <br />Relations between the two countries have been strained after it emerged last year that the US had bugged the phone of Chancellor Angela Merkel. <br />Al Jazeera's Harry Smith reports.<br />Subscribe to our channel http://bit.ly/AJSubscribe <br />Follow us on Twitter https://twitter.com/AJEnglish <br />Find us on Facebook https://www.facebook.com/aljazeera <br />Check our website http://www.aljazeera.com/
