After losing seven fighter jets, Russia is looking for a scapegoat. Some military bloggers doubt that Ukraine shot them down.

The lack of communication between the Russian air force and air defense repeatedly leads to such incidents. The Russian side in particular has often blamed friendly fire for its own losses, including on the ground. The attacked country urgently needs the American-made F-16 fighter jets promised by Western partners, says Professor Justin Bronk from the English Royal United Services Institute (RUSI)