Hillary Clinton, Donald Trump and US lawmakers raise questions over AT&T-Time Warner deal
Heads of both AT&T and Time Warner have, however, rebuffed claims that their deal might get blocked.
AT&T to buy Time Warner for $85.4bn
The merger, believed to be the biggest in the world this year, is subject to regulatory approval.
AT&T has reached an agreement in principle to buy Time Warner for $85bn - report
The deal where AT&T is valuing Time Warner at $110 per share could be announced as early as Sunday.
CES 2016: O2 to offer AT&T's 'digital life' smart-home platform in UK
This will be launched in summer in selected areas north of London, before a wider roll-out later in 2016.
AT&T set to launch BlackBerry Priv Android phone in US
BlackBerry Priv Android phone will be available for $24.99 (£16.20) with a new two-year contract on AT&T.
BT accuses Verizon, AT&T of hurting competition with infrastructure monopolies
The two companies control about 80% of US's "special access network", the telephone and broadband lines used to carry data.