[rfp1234]

...developed symptoms that people familiar with the matter blamed on hard-liners in Moscow who they say want to sabotage peace talks

Or it could be blamed on anyone who wants WWIII.

[Travis McGee]

The last time peace talks were sabotaged, 2 weeks back, one of Zelinsky’s negotiating team was assassinated by one of his “security detail” with a shot in the heart at point blank. I think it’s pretty clear who wants to sabotage the peace talks.