Russia and Ukraine on Wednesday exchanged hundreds of prisoners of war under a deal sponsored by the United Arab Emirates.

Ukrainian authorities said that 230 Ukrainian prisoners of war returned home.

Russia’s Defence Ministry said that 248 Russian servicemen have been freed from Ukrainian captivity.

The ministry said that the deal was made possible thanks to mediation by the United Arab Emirates.

The exchange followed other such deals earlier in the war, which is nearing the two-year mark.

The Russian military meanwhile said it had shot down 12 Ukrainian missiles over Russia’s southern Belgorod region bordering Ukraine, as Kyiv’s forces seek to embarrass President Vladimir Putin and puncture his argument that life in Russia is going on as normal despite the 22-month war.

Belgorod Governo Vyacheslav Gladkov said the situation in the regional capital, also called Belgorod, “remains tense”.

The city came under two rounds of shelling on Wednesday, he wrote on Telegram.

“Air defence systems worked,” he said, promising more details about possible damage after inspecting the area later in the day.

Wednesday is a national holiday in Russia.

Russia’s Defence Ministry said Ukraine fired two Tochka-U missiles and seven rockets at the region late on Tuesday, then launched six Tochka-U missiles and six Vilkha rockets on Wednesday morning.

The Soviet-built Tochka-U tactical missile system has a range of up to 75 miles (120km). It has a massive warhead that can carry cluster munitions. Ukraine has received some cluster munitions from the US but Tochka-U and Vilkha can use their own cluster munitions.

The Russian side of the border with Ukraine has come under frequent attack in recent days.

During the war, Russian border villages have sporadically been targeted by Ukrainian artillery fire, rockets, mortar shells and drones launched from thick forests where they are hard to detect.

Lately, as missiles and drones have fallen on Ukrainian cities, Kyiv’s troops have aimed at the Belgorod regional capital, which lies roughly 60 miles (100km) north of Kharkiv, Ukraine’s second-largest city.

Belgorod, which has a population of around 340,000 people, is the biggest Russian city close to the Ukrainian border. It can be reached by relatively simple and movable weapons such as multiple rocket launchers.

On Saturday, shelling in Belgorod killed more than two dozen people.

The attack was one of the deadliest on Russian soil since Moscow’s full-scale invasion.

Russian officials said the death toll reached 26, including five children, after a new salvo of rockets on Tuesday.

Hitting Belgorod and disrupting city life is a dramatic way for Ukraine to show it can strike back against Russia, which in military terms outnumbers and outguns Kyiv’s forces.

On Monday, Mr Putin lashed out at the Belgorod attacks.

“They want to intimidate us and create uncertainty within our country,” he said, promising to step up retaliatory strikes.

The Russian government has tried to counter the successful strikes by describing the Ukrainians as “terrorists” who are indiscriminately targeting residential areas while insisting the Russian military only aims at depots, arms factories and other military facilities.

Ukrainian officials never acknowledge responsibility for strikes on Russian territory.