Europe

Biggest EU group warns Brexit time to talk too tight

  • Sir Tim Barrow, right, the UK's permanent representative in Brussels prepares to get into his car in Brussels on Tuesday, March 28, 2017. Britain will begin divorce proceedings from the European Union on March 29, starting the clock on two years of intense political and economic negotiations that will fundamentally change both the nation and its European neighbors. (AP Photo/Virginia Mayo)

    Sir Tim Barrow, right, the UK's permanent representative in Brussels prepares to get into his car in Brussels on Tuesday, March 28, 2017. Britain will begin divorce proceedings from the European Union on March 29, starting the clock on two years of intense political and economic negotiations that will fundamentally change both the nation and its European neighbors. (AP Photo/Virginia Mayo)  (The Associated Press)

  • Sir Tim Barrow, left, the UK's permanent representative in Brussels prepares to get into his car in Brussels on Tuesday, March 28, 2017. Britain will begin divorce proceedings from the European Union on March 29, starting the clock on two years of intense political and economic negotiations that will fundamentally change both the nation and its European neighbors. (AP Photo/Virginia Mayo)

    Sir Tim Barrow, left, the UK's permanent representative in Brussels prepares to get into his car in Brussels on Tuesday, March 28, 2017. Britain will begin divorce proceedings from the European Union on March 29, starting the clock on two years of intense political and economic negotiations that will fundamentally change both the nation and its European neighbors. (AP Photo/Virginia Mayo)  (The Associated Press)

  • A member of 'The 3 million' wears a button which reads 'I am not a bargaining chip' as she stands outside EU headquarters in Brussels on Tuesday, March 28, 2017. The group is calling on the Government to unilaterally guarantee the rights of EU citizens in the UK post-Brexit. (AP Photo/Virginia Mayo)

    A member of 'The 3 million' wears a button which reads 'I am not a bargaining chip' as she stands outside EU headquarters in Brussels on Tuesday, March 28, 2017. The group is calling on the Government to unilaterally guarantee the rights of EU citizens in the UK post-Brexit. (AP Photo/Virginia Mayo)  (The Associated Press)

The European Parliament's biggest group says that it will not be possible to negotiate Britain's divorce proceedings and a new relationship at the same time, and warns that the 2-year negotiation timeframe will be too short to have a full Brexit resolution.

Manfred Weber, the head of the Christian Democratic EPP group, called it "a kind of mission impossible" acerbated by the nine months lost since the British voted to leave on June 23 last year. Britain is set to trigger the start of negotiations on Wednesday.

EU officials have insisted the divorce terms must be settled before talks on a new relationship with Britain can begin.

Weber said any trade deal with third countries usually takes years to complete.

The European Parliament will have to approve any Brexit deal.