<sod >He warned: 'It will be for EU leaders to decide if sufficient progress has been made.'  Mr Tusk hailed the 'unity' of the remaining 27 EU members after they adopted negotiating guidelines in just four minutes.< eod>< sod > He warned: 'It will be for EU leaders to decide if sufficient progress has been made.'  GIBRALTAR FURY AT EU DEMANDING SPANISH VETO Gibraltar has reacted angrily to the European Union's continuing insistence that Spain should be given a veto over its inclusion in any post-Brexit trade deal with the UK.< eod>