 On 5 February 2015, in his interview with the Spanish El Pais, Poroshenko stated that he will introduce martial law in the case of an escalation of the situation in Donbas, but that such a decision will limit democracy and liberties as well as threaten the development of the economy.Martial law in Ukraine was introduced for 30 days in late November 2018, after the Kerch Strait incident.In April 2015, Ukrainian oligarch Dmytro Firtash at a court session about his extradition to the United States stated that at the Ukrainian presidential election he financially supported Poroshenko, and Vitali Klitchko in the Kiev city mayoral election.