REUTERS

"We are ready to carry out prisoner exchanges in the format enshrined in the Package of Measures for the Implementation of the Minsk Agreements, namely, in accordance with the 'all for all' formula," DPR "Human Rights Commissioner" Darya Morozova told a local media outlet on Wednesday, according to Russian news agency TASS.

Chief of Ukraine's SBU Security Service Vasyl Hrytsak on Wednesday proposed the use of a "three-for-one" swap formula, being ready to exchange three militants for one Ukrainian captive.

As of today, according to the SBU, 110 Ukrainians are held captive in the self-proclaimed Donetsk and Luhansk republics (DPR and LPR), while 494 more are declared missing.

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Yet, Hrytsak said he knew nothing about the next exchange giving neither dates nor numbers.

A prisoner swap is a key clause in the Minsk Package of Measures. According to this document, prisoners need to be exchanged in line with the "all for all" formula.