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Syrian and allied forces backed by Russian air strikes drove Islamic State militants out of the ancient towns of Palmyra and al-Qaryatain.
Russia's economy will survive current sanctions and fiscal crises if oil prices remain near or above $40 a barrel.
Rousseff said last week that the opposition move to impeach her is a "coup d'etat" against democratic rule.
The new lender has said it will prioritise “green energy development” projects.
Kerry said Russia's withdrawing of the main part of its military forces deployed in Syria was "a very critical decision".
Media reports say 21 people have been killed, dozens injured.
Russian Lieutenant General Sergei Rudskoy accused Washington of showing "no readiness" to agree how to enforce the truce.
Most news reports have suggested weather could have been a factor although the official investigative committee is yet to confirm the cause of the crash.
ACRA applied for a license to operate in Russia on February 29.
The plane crashed near the runway during a second landing attempt in conditions of poor visibility.