THE HAGUE, Netherlands—Dutch prosecutors investigating the downing of Malaysia Airlines Flight 17 over eastern Ukraine five years ago want to speak to a man being held by Ukrainian authorities, calling him a “person of interest” in their probe, a spokeswoman said on Sept. 3.
The fate of Volodymyr Tsemakh could be a factor in the stalled prisoner swap between Russia and Ukraine, as Dutch prosecutors want him to remain in Ukraine.