Planes, helicopters and firefighters are tackling the wildfire sweeping through Arizona that has killed 19 people and destroyed around 1,000 houses.
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The airline has cancelled all flights from Heathrow and Gatwick before 6pm on Saturday.
The Hollywood couple, who have been married for 17 years, said they still have "tremendous love and respect for each other".
Jared Kushner discussed the possibility of setting up a secret line of communication with Russia, according to US media.