Dennis Sammut comments on the assassination of Boris Nemtsov - "a political earthquake that potentially can shake the Russian political establishment from its foundations".
The Mission has reported seeing widespread devastation in Debaltseve, and said that surrounding villages "have almost totally emptied of civilian population".
Abkhazia has one of the highest per capita road fatality rates in the region; a fact often obscured by the territory's status as a statistical "black hole".
In a statement they said that the main purpose of their visit was "to appeal to the sides to strictly adhere to the ceasefire after a dangerous rise in violence in January".
Azerbaijan has accused Armenia of rejecting a proposal from the international community for the establishment of a working group to start preparing a comprehensive peace agreement.
It is understood that the co-Chair made strong representations to the Azerbaijani side following a sharp increase in violence on the line of contact in January.