RT News - September 17, 2017 (12:00 MSK)

Britain's fifth terror attack this year saw 30 injured in a tube train explosion on Friday. A second man's now under arrest. Tension escalates again in the Korean peninsula, as Pyongyang responds to the threat of further Washington-backed sanctions with another missile test. Russian submarines strike ISIL targets around the Syrian city of Deir ez-Zor - while peace talks between the country's government and opposition result in a breakthrough agreement.