“We’ll triple our effort to liberate you,” - Poroshenko to hostages still held in Donbas. VIDEO

As reported by Censor.NET citing the presidential press office, Poroshenko said delivering speech at the Kharkiv airport where the liberated Ukrainians were taken to by helicopters late on Wednesday.

"I have something to say and I'm sure that the guys who are now held in the occupied territory will hear it: we’ll triple our effort to liberate you and we will do our best to make this happen as soon as possible," he said.

Read more: 74 Ukrainians held by Donbas militants released in prisoner swap

The major prisoner swap between Ukraine and the self-styled “LPR”/“DPR” terrorist organizations took place on Dec. 27.

It was initially planned to exchange 74 Ukrainians for 306 militants’ associates. However, some of the separatists refused from being taken back to the occupied territories. Eventually, 73 Ukrainians were exchanged for 233 militants. President Poroshenko personally arrived to the airfield near Kramatorsk to welcome the liberated Ukrainian hostages.