On 3 April, one man was arrested and eight more were put under house arrest on suspicion of involvement in the riots in Donetsk on 13 March, which led to the murder of Dmitry Cherniavsky.

On 5 April, the SBU arrested a group of 15 people in Luhansk, along with 300 machine guns, one anti-tank grenade launcher, five pistols, petrol bombs and a large amount of smooth-bore guns and other weapons. "
The group planned to carry out an armed seizure of power in Luhansk region on April 10 through intimidation of civilians using weapons and explosives," the SBU press office told Interfax-Ukraine.

In Kharkiv, anti-Maidan activist Ignat Kramskoy (nicknamed "Topaz") was placed under house arrest on 29 March for his alleged involvement in the 1 March raid on the Kharkiv Regional State Administration building.
On 7 April, Topaz fled house arrest, cutting off his monitoring bracelet.
Topaz has since given interviews with the Russian channel LifeNews, and spoken about the current 'guerrilla struggle' and need to use firearms to capture buildings.
Topaz was arrested once again while setting up an interview with Russia's Life News channel.
Kramskoy was sentenced to 8 years in prison in January 2018, but released in September of the same year due to having served time in arrest.

On 12 April another saboteur was arrested by the SBU in Kharkiv, known as "K", who was tasked with organizing riots and capturing administrative buildings.
Later, 70 were arrested between the border of Poltava and Kharkiv.
The men were travelling on a bus and found in possession of explosives, petrol bombs, bats, shields, helmets, knives, and other weapons.

On 25 April, the SBU announced it had arrested two Ukrainian military members recruited by Russian intelligence.

On 29 April the SBU arrested Spartak Holovachov and Yuri Apukhtin, leader of the Great Rus' organization in Kharkiv.
Authorities claimed they were organized from abroad to plan riots in the city on 9 May, and upon searching their headquarters found guns, grenades, ammunition, cash, and separatist leaflets.

As of 19 April, the SBU had arrested 117 citizens of Russia.

V. Makarov, an alleged spy from GRU was arrested in Chernihiv on 20 March 2014.

Anton Rayevsky was arrested in Odessa and then deported for inciting ethnic hatred and violence.

Roman Bannykh, allegedly a military intelligence agent of the Russian GRU, was detained on 5 April 2014.

Negrienko was arrested earlier in March 2014 for attempting to recruit Ukrainian police officers.

Oleg Bakhtiyarov, for allegedly planning to storm Ukraine's parliament and Cabinet of Ministers buildings in Kiev by force.
Bakhtiyarov, working under the guise of a civil society activist in Kiev, had allegedly recruited some 200 people, paying them each $500, to assist in storming the buildings and had stockpiled petrol bombs and various tools to carry out the provocation.
Bakhtiyarov allegedly also arranged, with some Russian TV channels, to film the incident, which would then have been blamed on Ukrainian radicals.
Russian writer and the founder of the banned National Bolshevik Party, Eduard Limonov described Bakhtiyarov as: "a good guy, a psychiatrist, a commando, a vet of the War of Transnistria and a participant of in the city hall seizure".

Dmitry Kolesnikov, a member of The Other Russia was arrested.

Two Russian citizens were arrested in Lviv oblast on 2 April 2014, suspected of plotting to take several Ukrainians hostage, including a presidential candidate.
Police allegedly found a 200-gram TNT block, detonator, and 16 9×18mm Makarov rounds in one of the suspect's cars.
Also allegedly found was a notebook with details of cars used by the presidential candidate and a timetable of his movements, a tablet with images of the targeted politician, as well as members of Lviv Regional Council, one former MP, photos of houses belonging to them, and plans for gaining access to them.

Mariya Koleda was arrested on 9 April 2014, and allegedly performed Russian intelligence agency tasks to destabilize the situation in the southern regions of Ukraine.
On 7 April, she alleg
On 3 April, one man was arrested and eight more were put under house arrest on suspicion of involvement in the riots in Donetsk on 13 March, which led to the murder of Dmitry Cherniavsky.
On 5 April, the SBU arrested a group of 15 people in Luhansk, along with 300 machine guns, one anti-tank grenade launcher, five pistols, petrol bombs and a large amount of smooth-bore guns and other weapons. "The group planned to carry out an armed seizure of power in Luhansk region on April 10 through intimidation of civilians using weapons and explosives," the SBU press office told Interfax-Ukraine.
In Kharkiv, anti-Maidan activist Ignat Kramskoy (nicknamed "Topaz") was placed under house arrest on 29 March for his alleged involvement in the 1 March raid on the Kharkiv Regional State Administration building. On 7 April, Topaz fled house arrest, cutting off his monitoring bracelet. Topaz has since given interviews with the Russian channel LifeNews, and spoken about the current 'guerrilla struggle' and need to use firearms to capture buildings. Topaz was arrested once again while setting up an interview with Russia's Life News channel. Kramskoy was sentenced to 8 years in prison in January 2018, but released in September of the same year due to having served time in arrest.
On 12 April another saboteur was arrested by the SBU in Kharkiv, known as "K", who was tasked with organizing riots and capturing administrative buildings. Later, 70 were arrested between the border of Poltava and Kharkiv. The men were travelling on a bus and found in possession of explosives, petrol bombs, bats, shields, helmets, knives, and other weapons.
On 25 April, the SBU announced it had arrested two Ukrainian military members recruited by Russian intelligence.
On 29 April the SBU arrested Spartak Holovachov and Yuri Apukhtin, leader of the Great Rus' organization in Kharkiv. Authorities claimed they were organized from abroad to plan riots in the city on 9 May, and upon searching their headquarters found guns, grenades, ammunition, cash, and separatist leaflets.
As of 19 April, the SBU had arrested 117 citizens of Russia.
V. Makarov, an alleged spy from GRU was arrested in Chernihiv on 20 March 2014.
Anton Rayevsky was arrested in Odessa and then deported for inciting ethnic hatred and violence.
Roman Bannykh, allegedly a military intelligence agent of the Russian GRU, was detained on 5 April 2014.
Negrienko was arrested earlier in March 2014 for attempting to recruit Ukrainian police officers.
Oleg Bakhtiyarov, for allegedly planning to storm Ukraine's parliament and Cabinet of Ministers buildings in Kiev by force. Bakhtiyarov, working under the guise of a civil society activist in Kiev, had allegedly recruited some 200 people, paying them each $500, to assist in storming the buildings and had stockpiled petrol bombs and various tools to carry out the provocation. Bakhtiyarov allegedly also arranged, with some Russian TV channels, to film the incident, which would then have been blamed on Ukrainian radicals. Russian writer and the founder of the banned National Bolshevik Party, Eduard Limonov described Bakhtiyarov as: "a good guy, a psychiatrist, a commando, a vet of the War of Transnistria and a participant of in the city hall seizure".
Dmitry Kolesnikov, a member of The Other Russia was arrested.
Two Russian citizens were arrested in Lviv oblast on 2 April 2014, suspected of plotting to take several Ukrainians hostage, including a presidential candidate. Police allegedly found a 200-gram TNT block, detonator, and 16 9×18mm Makarov rounds in one of the suspect's cars. Also allegedly found was a notebook with details of cars used by the presidential candidate and a timetable of his movements, a tablet with images of the targeted politician, as well as members of Lviv Regional Council, one former MP, photos of houses belonging to them, and plans for gaining access to them. 
Mariya Koleda was arrested on 9 April 2014, and allegedly performed Russian intelligence agency tasks to destabilize the situation in the southern regions of Ukraine. On 7 April, she alleg
2014 pro-Russian unrest in Ukraine