Russia and Ukraine added spikes to their armored vehicles to protect against FPV drones. They have now developed new tactics and weapons to defeat these hedgehog tanks.

Serhii Fisun, a Ukrainian journalist and Air Assault Forces officer, has been killed in a Russian drone strike while on duty.

One Ukrainian innovation has been a system to verify drone strikes that awards points to successful operators, with an online marketplace for bonus kit.

The fighter, built for war with Russia, is set to be one of the three main pillars of Ukraine's future air force.

The UK's Irish Guards are learning drone warfare lessons from Ukraine, including why being able to quickly make new parts on the battlefield is key.