Low-quality shells supplied to Russia by North Korea are injuring its own troops and damaging artillery, Ukraine says

• North Korea has sent Russia large quantities of artillery shells.
• Some are defective, causing damage to weapons and injuring Russian soldiers, Ukraine's army said.
• Experts have questioned the quality of North Korean ammunition.

Russia is using low-quality artillery shells from North Korea that are often defective and cause problems on the front lines, Ukraine's army said.

In some cases, the North Korean-supplied shells are damaging the barrels of cannons and mortars and are even injuring soldiers.