Ukraine President Petro Poroshenko has signed an EU trade deal - which originally triggered the country's political crisis.<br /> <br />Russia has condemned the move, saying it could lead to Ukraine splitting in two.<br /> <br />Al Jazeera's Paul Brennan reports from Donetsk.<br /><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/
