Russia has warned Nato against sending any troops to help Ukraine, amid reports of a large Russian military build-up on its borders. Kremlin spokesman Dmitry Peskov said Russia would take "additional measures" if Nato were to make such a move. Sporadic, low-level clashes continue in eastern Ukraine between Ukrainian troops and Russian-backed separatists. US forces in Europe are now on higher alert, citing "escalations of Russian aggression" in the area.

Singh demands Afghan interpreters' families be allowed into Canada as Taliban surges
Singh says the resettlement program needs to be expanded.