The explosion occurred when a Russian diplomat came out to read the list of those waiting in the visa queue, Hamid Haidari, former editor-in-chief of 1TVNews, said. Eyewitnesses reported that there may be around 20 dead, Sputnik reported.
According to the police, a suicide bomber detonated explosives at the entrance to the embassy.
Taliban fighters beat women protesters and fired into the air on Saturday as they violently dispersed a rare rally in the Afghan capital, days ahead of the first anniversary of the hardline Islamists' return to power.
Since seizing control on August 15 last year, the Taliban have rolled back the marginal gains made by women during two decades of US intervention in Afghanistan.
In Turkish mountains so high the silver clouds almost touch the top of his head, the homesick Afghan shepherd prepares his baaing flock for a good shear.
The locals in the eastern province of Tunceli's Mercan Valley have been gradually replaced by Afghans, who fled here by foot and truck across Iran from the poverty and bloodshed back home.
When the ground heaved from last week's earthquake in Afghanistan, Nahim Gul's stone-and-mud house collapsed on top of him.
He clawed through the rubble in the predawn darkness, choking on dust as he searched for his father and two sisters. He doesn't know how many hours of digging passed before he caught a glimpse of their bodies under the ruins. They were dead.