Google has responded after EU authorities accused the technology giant of using its search engine to unfairly boost its own products.
In a post on the Official Google Blog, Amit Singhal, a senior vice president at Google Search, claims that Google does not hold a stranglehold on the search market, and that it is not shutting out its competitors in the flight search market.
He wrote: "We respectfully but strongly disagree with the need to issue a Statement of Objections and look forward to making our case over the weeks ahead."
The European Union has accused Google of abusing its dominance by distorting search results and has also launched an antitrust probe into its Android mobile operating system.
The EU Competition Commission said the US technology company had been sent a charge sheet to which it can now respond, accusing it of amending results to favour its Google shopping service.
Commissioner Margrethe Vestager said in a statement: "I am concerned that the company has given an unfair advantage to its own comparison shopping service, in breach of EU antitrust rules.
"If the investigation confirmed our concerns, Google would have to face the legal consequences and change the way it does business in Europe."
The Commission can fine firms up to a 10% of their annual sales - or a penalty of over $6 billion (£4 billion) in Google's case.
In response to the move, the company said: "While Google may be the most used search engine, people can now find and access information in numerous different ways - and allegations of harm... have proved to be wide of the mark."
Google has lost a Court of Appeal bid to prevent British consumers having the right to sue it in the UK.
A group known as Safari Users Against Google's Secret Tracking want to take legal action in the English courts over the internet giant's Apple Safari internet browser.
They accuse Google of bypassing security settings in order to track their online browsing and to target them with personalised advertisements.
The Information Commissioner's Office said in a statement that it required the search engine to sign a "formal undertaking" that it would make the changes by June 30 and take further steps in the next two years.
Google has announced it will stop selling its current version of Google Glass and plans to reorganise the business behind it, Dow Jones reported.
The technology giant is set to release a new version of the much-hyped wearable tech later this year, the report said.
The new Glass business will report to Tony Fadell, CEO of home automation company Nest, which was bought by Google last year.
Google expects to wind down its Explorer programme in the next few months, Fortune reported.
The announcement comes a day after beleaguered British supermarket chain Tesco announced it was becoming the first major UK retailer to launch a Google Glass shopping app.
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Members of the European Parliament (MEPs) have voted to break up Google as parts of plans to tackle dominant internet search providers.
In a resolution which "called on EU member states and the European Commission to break down barriers to the growth of the EU's digital single market" the vote was approved by 384 votes to 174.
The resolution underlines that “the online search market is of particular importance in ensuring competitive conditions within the digital single market” and welcomes the Commission’s pledges to investigate further the search engines’ practices.
MEPs also stressed the need to prevent online companies from abusing dominant positions by enforcing EU competition rules and unbundling search engines from other commercial services "given the role of internet search engines in commercialising secondary exploitation of obtained information”.
MEPs added that “all internet traffic should be treated equally, without discrimination, restriction or interference”.
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