Bernard Maingain says it shows a 'wave of panic sweeping among leaders' over investigation into killings.
The bases were closed as Russia wound down its global military presence after the collapse of the Soviet Union.
New York City police removed banner and were looking for whoever unfurled it.
Niger's Prime Minister Brigi Rafini said in a television address that the death toll could rise.
Russia insists anti-aircraft missiles necessary in Syria although Isis does not have any planes.
Statement follows death of at least 55 people killed in stampede sparked during protest in Oromia state.
One person was reported seriously injured by the explosion.
Affiliates of terror group are building their strength as rivals Isis come under increased pressure.
Raheel Sharif accuses India of 'distorting facts to hide its atrocities in Kashmir'.
"Time is now of the essence. It's becoming our worst enemy. We don't have much time left," says ex-finance minister.
Six workers shot dead and 27 rescued by government security officers near Somali border.
The incident comes amid the escalating tension between the two nuclear-power neighbours.
The regime's military called on rebels in the city's eastern districts to disarm.
The battle to retake the city from Isis could begin within weeks.
Two Russian TU-160 Blackjack bombers, capable of carrying nuclear weapons, travelled as far south as Bilbao
Former militant who claims he played no part in violence filmed apparently shooting weapon at prisoner.
People in North Kivu region fear rebels could behave like FDLR militants and start attacking civilians.
Victim was agricultural expert who died after 'unknown individuals' threw rocks at her vehicle.
Intensive care wards in hospitals are filled with emaciated and stunted children.
No injuries were caused by hit on Israeli town close to the border with Gaza.
EU suspended funding to the African country over rampant rights abuses and unwillingness to quell crisis.
Around 370,000 children in the country are living with severe malnutrition that debilitates their immune systems, Unicef says.
Norman Ohler's book says the Nazi leader's drug use led him to be more erratic in his behaviour.
The bombing near Hasaka in Syria also killed 5 children and 11 women.
Request follows claim Isis has deployed chemical weapons to Mosul in anticipation of attack.
South African police fired stun grenades, rubber bullets and tear gas at rock-throwing students.
Government claims presence of 750 troops in North Kivu province raises security concerns.
Nish Nalbandian's book, A Whole World Blind, depicts fighters on the front line, as well as everyday people eking out a living amid the ruins.
Protests resumed in Ethiopia's largest state, days after at least 55 people died in stampede.
Defence secretary promised to tackle vexatious legal claims against troops at Tory conference.