Huawei asks court to declare Trump's US ban 'unconstitutional'
Follows deputy chair comparing ban to the Berlin Wall.
TRA denies claims of end to UAE ban on WhatsApp calls
Calls reports circulating on social media "fake and just rumours."
End UAE ban on WhatsApp calls - Khalaf Al Habtoor
Al Habtoor Group chairman Khalaf Al Habtoor has said he believes the ban has put the UAE behind the rest of the world in the communications field.