MOSCOW, December 13. /TASS/. Russian and US contacts in Geneva on the Syrian conflict resolution continue but there is no breakthrough, a well-informed diplomatic source told TASS on Tuesday.

"The working contacts continue but there is no breakthrough as compared to what was two days ago," the source said.

The consultations of Russian and US diplomats and military experts on the situation in Aleppo began in Geneva on December 10.

They were expected to end with an agreement on the withdrawal of militants from eastern Aleppo.