How drone combat in Ukraine is changing warfare?

A Russian missile strike has caused grievous injuries to at least one person and has left over a dozen others wounded in the Ukrainian city of Dnipro. Additionally, reports from Kyiv indicate that separate Russian attacks across eastern Ukraine have resulted in the death of at least 11 more people today. Meanwhile, Russian officials have reported attacks by Ukraine, with at least five people said to have been killed by a "Ukrainian" drone strike in Russia's southwestern Kursk region. Mike Armstrong reports on how drones have become pivotal in this conflict.