The underage accused are all between 14 and 17, and are suspected of murder or conspiracy to murder. They were remanded in a young persons' detention facility for one month pending further investigations.
The International Criminal Court last month issued an arrest warrant for Russian President Vladimir Putin and Russia's children's rights commissioner, Maria Lvova-Belova, accusing them of abducting children from Ukraine.
The premier also made clear that the UK intends to push ahead with North Sea oil and gas development - and potentially fracking - saying the country will 'make better use of our own naturally occurring hydrocarbons'.
Speaking in front of banners that read 'For a world without Nazism' and 'For Russia' - with the letter 'Z' in each picked out in bold - he said: 'Sevastopol [capital of Crimea] did the right thing when they put up a barrier to neo-Nazis and radicals, which is already happening on other territories.
The despot took to the stage dressed in a £10,000 Loro Piana jacket - despite his country's economy crumbling under the weight of Western sanctions - to address a crowd waving Russian national flags and banners marked with the letter 'Z', which has become a potent symbol of the invasion.
And a bizarre moment in the speech came when Putin suddenly disappeared from news feeds in mid-sentence - replaced by a band that was mid-way through singing, perhaps suggesting his address was not broadcast live.
Putin, who called the rally to mark the anniversary of the last time he attacked Ukraine to annex the Crimea region, spoke of sharing a 'common destiny' with Crimeans, of 'de-Nazifying' the region in 2014, and of the 'bravery' of soldiers currently fighting in Ukraine.
And it turns out her day of fun in the sun, looking english tutor which included swimming, strolling and a relaxing massage, was just a warm up for another night behind the turntables as the guest DJ at the trendy LIV nightclub.
Meanwhile, whoever set up a live stream of the event on YouTube did not turn the comment section off, meaning thousands of negative comments towards the event - written in Russian - flooded the page, as did blue and yellow heart emojis - the colours of Ukraine's flag.
Vladimir Putin's tub-thumping speech yesterday was likened to 'Billy Graham meets North Korea' by a Russian commentator, a reference to both the American Christian evangelist and Kim Jong-un's propagandising rallies, while the YouTube live stream of the rally was flooded with critical comments.
Law enforcement suspect that the daughter and boy then conspired to order two other teenagers to kill her mother for 350,000 roubles (£3,650) which the girl intended to obtain from Anastasia's savings.
According to one US intelligence estimate, 7,000 Russian troops including four generals have already been killed - more than the number of American troops killed in either the Iraq or Afghanistan wars at 4,825 and 3,576 respectively - and between 14,000 and 21,000 troops have been injured in the fighting. The estimated Russian death toll is of a scale similar to that of the Battle of Iwo Jima, where 6,852 US troops were killed and 19,000 were wounded during five weeks of fighting Japanese forces in the most intense phase of the Pacific theatre of World War Two
Vladimir Putin gave a a tub-thumping address yesterday to tens of thousands of Russians gathered at Moscow's world cup stadium, celebrating his invasion of Ukraine in 2014 and drumming up support for his new war
British Prime Minister Boris Johnson had suggested the growingly desperate leader - who has yet to make any significant inroads in Ukraine - is being 'irrational', while Dutch Prime Minister Mark Rutte described him as 'totally paranoid'.
Vladimir Putin gave a a tub-thumping address yesterday to tens of thousands of Russians gathered at Moscow's world cup stadium, celebrating his invasion of Ukraine in 2014 and drumming up support for his new war
Video posted by Radio Free Europe/Radio Liberty shows military ambulances driving through the Belarusian city of Homel, with employees at the region's clinical hospital alleging more than 2,500 bodies have been shipped back to Russia
The three said they had been separated from their parents who were pressured by Russian authorities to send their children to Russian summer camps for Online English PRE-K Grade Program what was billed as two weeks, from occupied parts of Kherson and Kharkiv regions.
"Now the fifth rescue mission is nearing its completion. It was special regarding the number of children we managed to return and also because of its complexity," said Mykola Kuleba, the founder of the Save Ukraine humanitarian organisation that helped arrange the rescue mission.
Kateryna Rashevska, a lawyer from a Ukrainian NGO called Regional Centre for Human Rights, told the briefing they were collecting evidence to build a case that Russian officials deliberately prevented return of the Ukrainian children.
Lvova-Belova said earlier this week that her commission acted on humanitarian grounds to protect the interests of children in an area where military action was taking place and had not moved anyone against their will or that of their parents or legal guardians, whose consent was always sought unless they were missing.