The European Union extends its main Ukraine-related economic sanctions against Russia for six months until mid-2017.
Russia announces it will fast-track citizenship applications from people living in conflict areas in eastern Ukraine. The European Union calls the move an attack on Ukraine's sovereignty that would undermine any peace agreement.
Ukrainian ecology minister Ostap Semerak warns of a major nuclear disaster if pro-Russia separatists go forward with a plan to flood a mine where a small nuclear weapon was tested in the 1970s. Semerak appeals for international assistance to prevent the flooding.
The European Union extends Russian sanctions for interference in Ukraine another six months, until 31 July 2016. The EU says it's extending the sanctions because the Minsk peace accords would not be fully implemented by the end of this year.
OSCE observers who are monitoring a ceasefire in eastern Ukraine between the Ukrainian military and pro-Russian rebels, reported the presence of a new Russian weapons system in rebel-held territory this week, the 'TOS-1 Buratino' is a thermobaric multiple rocket launcher system which can destroy several city blocks in one strike and cause indiscriminate damage. Only Russia produces the system and it was not exported to Ukraine before the conflict broke out.
More than 100,000 people protest in Kiev, Ukraine, against the decision of Viktor Yanukovych's government to suspend preparations for signing of the association agreement with the European Union under pressure from Russia.