Russia retaliated by ordering out 20 Czech diplomats -- sparking an angry ultimatum from Prague for Moscow to let them return or face further expulsions from its embassy.
But the speech threatens to be overshadowed by country-wide demonstrations called by Navalny's supporters, who fear the life of Putin's best-known critic is in grave danger.
Russia will soon have more than 120,000 troops on Ukraine's border, Ukrainian Foreign Minister Dmytro Kuleba said on Tuesday, calling for new Western economic sanctions on Moscow.
Kyiv, Washington and NATO have been alarmed by the large build-up of Russian troops near Ukraine and in Crimea, the peninsula that Moscow annexed from Ukraine in 2014.
France's foreign minister Jean-Yves Le Drian warned Sunday those sanctions could be expanded, saying Russia must be held "responsible" for the dissident's health.
Dmytro Kuleba said rhetoric in Moscow had reached a fever pitch with pundits and officials issuing "dehumanising" statements aimed at intimidating Kiev.
The US secretary of state also met with EU foreign policy chief Josep Borrell, both of whom expressed deep concern over Russian troop movements, according to a European statement.
They estimated the total area of the blaze at some 4,000 square metres, causing a large part of the roof to collapse and even spreading to nearby trees.
On April 7, DRAP had stopped both the centers from administering Sputnik V, saying that they deviated from the recommended storage temperature of the vaccine.
Envoys from China and Russia to the Iran nuclear talks said on Friday there had been progress in efforts to bring Iran and the United States back into compliance with the 2015 nuclear deal and that all sides would reconvene next week.
Neither the United States nor Iran expect fast breakthroughs in the talks that began in Vienna on Tuesday, with European and other diplomats acting as intermediaries because Iran rejects face-to-face talks for now.
The delegation was briefed about various incentives offered to enterprises in Special Economic Zones (SEZs) and encouraged them to establish operations in SEZs located in Sindh.