A Russian Sukhoi Su-57 fifth-generation jet fighter performs during an air show outside Moscow, Russia, on July 20, 2021.

Dimitar Dilkoff/POOL/AFP via Getty Images

Russia is using its most advanced combat jets against Ukraine, British intelligence said Monday. But the jets are only firing missiles into Ukraine from Russian territory, the brief added. Russia is keeping them back over worries about "reputational damage" if they're shot down, it said.

Russia is holding back on using its most...

Continue Reading Russia is holding back on using its most advanced fighter jets over Ukraine because it's scared they will get shot down, UK intel says