Ukraine has begun two days of missile tests near Crimea in a move that has infuriated Russia in a fresh escalation of tensions between the two countries.
Relations between the one-time allies collapsed in 2014 when Russia seized Crimea and backed pro-Russian separatists fighting in eastern Ukraine.
Ukraine said the aim of the tests is to bolster its defence capabilities and test S-300 medium-range surface-to-air missiles.

Russia has responded to Ukrainian missile tests by putting its air defence forces on high alert and deploying warships in the Black Sea
Vladimir Kryzhanovsky, the head of the Ukrainian military’s southern branch press-service, said: ‘The purpose of the exercise is to gain experience in using these anti-aircraft missile systems and to check the quality of the rockets, which were repaired, as well as to improve the skills of the anti-aircraft missile troop units.’
He added: ‘The tests are being carried out in accordance with international law. Therefore it would be wrong to reproach Ukraine.’
The move has angered Russia, which as put its air defence forces on high alert and deployed warships in the Black Sea.
A Crimean military source told the RIA news agency: ‘The ships’ air defence units have been put on a higher state of alert.
‘Together with land-based air defence units on the peninsula, the ships have thrown up a practically impenetrable shield against the enemy’s rockets.’
Another source accused Ukraine of trying to create a ‘nervous situation.’

Russia’s President Vladimir Putin (front centre) and his then defence minister Sergei Shoigu (front left) walk to watch military exercises upon his arrival at the Kirillovsky firing ground in the Leningrad region, on March 3, 2014
The latest development comes after it emerged Vladimir Putin has deployed 55,000 troops on the Ukrainian border in Russia’s latest muscle-flexing exercise.
The sudden influx of feet on the ground adds to up to 7,500 Russian soldiers already stationed in Ukraine and has prompted fears of an invasion.
Putin’s deputy defence minister Ihor Dolhov made the announcement in Kiev, where officials are said to be convinced Russia is attempting to topple the government.

Dolhov told Russian news outlet Liga.net at a press conference: ‘Currently, Russia has amassed about 55,000 servicemen near the Ukrainian border.
‘The presence of the Russian regular army on the territory of Ukraine varies from 5,000 to 7,500 soldiers.
‘In Crimea, this figure is 23,000 troops, of which 9,000 are on the administrative border.’
There have also been reports of another build-up of soldiers in Belarus near the Ukrainian border, according to Unian.
The Russian Defense Ministry previously announced plans to send 80 times more soldiers and military equipment to Belarus in 2017 than in 2016.
Russia occupied the Autonomous Republic of Crimea in 2014, the same year it launched a number of condemned attacks on the Ukraine.
There is ongoing fighting in the Donbass region as Russian separatists backed by the Kremin remain at loggerheads with the Ukrainian army in the Donetsk People’s Republic.
The fear is Russia will invade so it can take power of the land linking the mainland with Crimea where Ukraine believes Putin would set up an administration to bolster Moscow and shun the West.
Source: | This article originally belongs to Dailymail.co.uk