Ukrainian fighter jets have bombarded separatists along a broad front, inflicting large losses, the government says, after President Petro Poroshenko pledged "scores and hundreds" would be made to pay for a deadly missile attack on Ukrainian forces.<br /><br />Andriy Lysenko, a spokesman for Ukraine's "anti-terrorist operation", said there had been 16 flyovers by Ukrainian fighter jets in all.<br /><br />Al jazeera's Scott Heidler reports.<br /><br />Subscribe to our channel http://bit.ly/AJSubscribeFollow us on Twitter https://twitter.com/AJEnglishFind us on Facebook https://www.facebook.com/aljazeeraCheck our website http://www.aljazeera.com/
