Ukraine has managed to capture more territory in a month than Russia has in a year, but with troops stretched and Putin's forces closing in on a key transport hub, some are questioning whether Kyiv's surprise invasion of the Kursk region was a good idea.

Ukraine’s Air Force is advancing with the addition of its first F-16s, which have already been deployed against Russian missiles and drones. Alongside these, Ukraine is expected to receive up to 36 MiG-29 Fulcrum fighter jets from Serbia via France,

The month-old invasion of Russia's Kursk region has produced some positive effects for Ukraine, but one key goal hasn't been achieved yet.