Tui Travel's chief executive, Peter Long, yesterday defended the use of a controversial advertisement that highlighted the problems of rival Thomas Cook.

The head of the mobile phone network Three warned that auctioning off Britain's radio frequency spectrum could destabilise "fragile" competition in the UK and potentially see his company drop out of the market altogether.

Pay-as-you-go mobile phone users are set to be hit in the wallet as the UK's largest operators pull their subsidies on handsets in response to a regulatory change that came into force last month.

Orange has been named as the worst-performing network for mobile broadband in the UK in a study commissioned by the telecoms watchdog.

Three mobile phone operators have appealed against Ofcom's order that they must cut mobile termination rates so that customers pay less to call users on other networks.

Vodafone, the mobile phone giant, has boasted it has become the "strongest-growing" operator in the UK, but woes at its businesses in Southern Europe and Ireland forced it to take an impairment charge of more than £6bn.

The mobile operator O2 will today launch an ambitious drive to install Wi-Fi hotspots across the UK, bringing it into conflict with broadband rivals BSkyB and BT.

The mobile phone company Three has broken from the received industry wisdom and launched a package offering smartphone users unlimited internet browsing. It hopes to attract people who want to use mobile data without fear of the service being "throttled" by the operator or incurring charges if they go over a limit.

Imperial Tobacco plans to appeal against a ruling by the High Court yesterday which upheld the Government's plan to ban vending machines in order to stop children buying cigarettes.

O2 today launches an assault on the £1.4bn international calling market, as it seeks to double its market share by targeting those calling abroad from calling card companies, land lines and rival operators.

Police have shut down a global iPhone scam that was costing the mobile operator O2 over £1m a month.

The O2 has become the first UK operator to ditch its tariffs offering customers unlimited mobile broadband, with senior management saying the model is "broken".