"The person who masterminded the attack and the perpetrator were detained and we have them in custody. The other three [suspects] are under round-the-clock house arrest since they are cooperating with the investigation," he said.
According to Abroskin, the police take measures to identify and apprehend the person who ordered the attack.
"The information reported at the briefing makes me believe that the paymaster [of the attack] will be definitely identified soon," the top policeman said.
As reported, Kherson City Council executive officer, Kateryna Handziuk, who tried to deal with local separatists and harshly criticized the authorities, namely the law enforcement officials, was doused with acid in Kherson early on July 31.
On Aug. 2, she was urgently taken from Kherson to Kyiv by an air ambulance.
On Aug. 3, the law enforcers detained the person suspected of perpetrating attack on the activist.