Opening Bell: Twitter job loss reports, Ireland's cyber security, London's new runway

Get up to speed with today's breaking Irish and international business news

There are reports that Twitter is planning to announce widespread job losses.

Bloomberg says the company could cut 8% of its workforce, or about 300 people.

Twitter is trying to control its spending as sales growth slows. The firm is yet to comment.

Earlier this month, Twitter moved into a larger office in Dublin - it houses its EMEA Headquarters.

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Ireland is set up a new body to protect businesses against hacking and cyber crimes.

The Irish Independent reports that Communications Minister Denis Naughten will brief the Cabinet today on plans to establish a National Cyber Security Centre (NCSC). Given the concentration of technology firms in Ireland, this body will be tasked with protecting the data of some of the world's leading tech companies.

This is part of the EU's Cyber Security Directive which requires national structures for businesses to report cyber incidents to.

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After decades of procrastination and delay, the British Government will today make the highly controversial decision of expanding an airport in south-east England.

The UK needs greater airport capacity to increase its trade links with the rest of the world but there has been a long-running disagreement as to where this should take place.

It is widely expected that Heathrow will be the winner but that Gatwick will be allowed to expand at a later date.

Even then, it will be at least another year before a vote by MPs and that leaves plenty of time for legal challenges and opposition.

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Time Warner shares have dipped as US regulators review AT&T's proposed takeover.

The Financial Times reports that AT&T plans to use the merger to launch a major video streaming product pooling both organisation's resources.

It will need to convince authorities that the deal will not distort media and communication markets if the $85bn deal is to go through.

Rupert Murdoch’s 21st Century Fox has raised concerns about the merger, saying, "A deal of this size and scope, and the impact it will have on consumers, should receive the highest level of regulatory scrutiny."

Additional reporting by IRN