Ukrainian drones have killed at least eight civilians in Russia, local officials say as President Vladimir Putin vowed to hit Ukraine's "economic sectors". Putin says Ukraine opened ’Pandora’s box’ with strikes on economic targets Key points and original sources are listed below.

• Ukrainian drones have killed at least eight civilians in Russia, local officials say as President Vladimir Putin vowed to hit Ukraine's "economic sectors".S1

• Putin says Ukraine opened ’Pandora’s box’ with strikes on economic targetsS2