Slovakian Prime Minister Robert Fico says a group of Central European EU members known as the Visegrad Four is ready to veto any Brexit deal that would limit people's right to work in the UK. In an interview, Mr Fico said Hungary, Poland, the Czech Republic and Slovakia would be uncompromising in negotiations. His comments come a day after the EU's first major meeting without the UK. Brexit, though not formally discussed, overshadowed the Bratislava summit. <br/><br/>At an end of the summit on Friday, Mr Fico said that he and other Central European leaders whose citizens make up much of the EU migrant population in Britain would not let those people become second class citizens. However, a Slovak foreign ministry source told Mr Fico had been referring only to those EU citizens living in the UK at the time of the referendum. The Czech ambassador to the UK, Libor Secka, pointed out this was not an "official statement" of the Visegrad countries' common position on their approach to Brexit negotiations. He said that while he respected Mr Fico's opinion, it was for Poland – which holds the Visegrad presidency – to speak on behalf of the group.<br/><br/>All the EU leaders have insisted there will be no formal Brexit talks until Britain triggers the two-year divorce process and says what it wants. European Council President Donald Tusk, said the British Prime Minister Theresa May had recently told him that might be in January or February 2017.<br/><br/>