Competing military operations in Syria deter US-Russian relations

Key details:

13/10/2016 from China

-Lavrov denies Russian influence over US election.

-Moscow abruptly left a nuclear security pact, citing US aggression, and moved nuclear-capable Iskandar missiles to the edge of NATO territory in Europe.

-Russia protests anti-Trump comments by top UN official.

-Russia vetoes UN resolution to halt Aleppo airstrikes.