Arrests and a ceasefire pledge: 12 December 2019

What did Kyiv's security picture look like on 12 December 2019? Two strands met on that date: a high-profile criminal case moved forward, and the diplomacy of the preceding days still framed the outlook for the Donbas front.

On 12 December 2019, the main suspects in the killing of journalist Pavlo Sheremet were arrested. They were named as Ukrainian servicemembers Yana Duhar, Yulia Kuzmenko and Andriy Antonenko. The case had been described as a high-profile murder, and the arrests placed serving military personnel at the centre of it.

The Paris backdrop

Three days earlier, on 9 December 2019, Volodymyr Zelensky, Vladimir Putin, Emmanuel Macron and Angela Merkel met in Paris for peace talks on Ukraine. It was the first meeting between Putin and Zelensky, and the first four-way leaders' meeting in the Normandy Format since 2016.

The Normandy Format, made up of Germany, Russia, Ukraine and France, had first met informally in 2014 and later played a substantial role in mediating the Minsk agreements of 2014 and 2015.

Following a breakthrough in the talks, Russia and Ukraine agreed to implement a ceasefire in the Donbas by the end of 2019. That commitment was the main security benchmark in place on 12 December, with weeks left before the deadline.

Why the two stories sit together

The two developments were separate: one was a criminal investigation, the other a diplomatic track on the war. Both, however, drew attention to Ukraine's security sector and its institutions in the same week. The ceasefire pledge set a short timetable, while the arrests gave investigators a concrete result in a case that had drawn wide public attention.

Later, the format's meetings in 2022 failed to de-escalate tensions before Russia's invasion of Ukraine, a reminder of how limited the December 2019 commitments would prove.