Company is trying to drive a recovery in its fortunes after a string of regulatory investigations last year hit profit

In July, Slack was raising $250 million in a new funding round led by SoftBank

One-hour delivery option will be available only to Amazon Prime members in London and will come at a cost

Trump attacks Clinton directly last Wednesday in a pair of Twitter posts

At least 430,000 Rohingya have fled into neighbouring Bangladesh

The conflict is the latest example of a technology company being pinned in the crosshairs of geopolitics

The drills are the second of China-Russian naval exercises this year, the first part took place in the Baltic in July

Khamenei warns Tehran would react strongly to any 'wrong move' by Washington

Victims shifted to hospital for treatment

The UN Security Council imposed new sanctions on North Korea earlier this month