There's been an explosion close to the Egyptian High Court of Justice in central Cairo. The news comes as demonstrations erupt across the country. Al Jazeera's Victoria Gatenby reports. Subscribe to our channel http://bit.ly/AJSubscribe Follow us on Twitter https://twitter.com/AJEnglish Find us on Facebook https://www.facebook.com/aljazeera Check our website: http://www.aljazeera.com/