"An American military specialist who saw photographs of the damage said he believed it was probably caused by “a 120mm mortar, of type 2B11”. The most common variant of this mortar munition is the so-called Sani (Sleigh), developed by the Soviet Union in 1981. The maximum range of such missiles is 4.7 miles, less than the nearest known Ukrainian military position.
Whichever way this attack is interpreted – as evidence of rebels shooting their own, or of pro-Ukrainian partisans operating within the city – it is certain to radicalise both sides further."
That closes the live blogging for tonight.
Sorry, just to clarify. Ukrainian President Petro Poroshenko said on January 22 that pro-Russian rebels had paid a "high price" for their escalating attacks on government troops across the separatist-controlled east. Not will pay a high price.
Latest from Poroshenko:
Ukrainian President Petro Poroshenko has warned that pro-Russian rebels will pay a "high price" for their escalating attacks on government troops across the separatist-controlled east.
Poroshenko made the statement at an emergency security meeting convened on January 22 after Kyiv's decision to give up its months-long defense of Donetsk airport.
A post-mortem in Foreign Policy for Ukraine's cyborg army.
A reminder:
Here's The New York Times wrap-up of Ukraine ceding the airport.