Mr Tusk said the lack of a solid outline of the future EU-UK relationship, incorporating the Irish Border, was hampering progress thus far.
He spoke about the failure so far by the United Kingdom to come up with a plan to avoid a hard Border in Ireland, or create a "solution" to Brexit. "For us this is not an Irish issue".
"The UK is interested in having a close partnership with the EU".
Richard Sherman Signs 3-Year Deal With 49ers
If they can get a linebacker who can stay on the field, maybe even for all three downs, [it would be a big help]. And Sherman called Detroit coach Matt Patricia and GM Bob Quinn; incentive package too rich for Detroit's blood.
"The four freedoms, including the freedom of movement, are indivisible", he told MEPs in Strasbourg as they debated their vision of the post-Brexit future.
Juncker added: "I would rather have preferred for Britons not to decide to leave the European Union but anyone who leaves the EU has to know frankly what this means". Do you accept that, or do you then put in a guard to stop them doing that.
A spokeswoman for US President Donald Trump refused to blame Russian Federation for an attack on what she called Washington's "closest ally" but Secretary of State Rex Tillerson said he was confident in May's assessment of Moscow's role and promised that there should be "serious consequences".
However, Prime Minister Theresa May has ruled out keeping the U.K.in an EU customs union because it would prevent the country from striking its own trade deals with fast-growing economies such as China and India.
The EU is seeking to be exempted from planned US import duties of 25 percent on steel and 10 percent on aluminum, but says Washington has not made clear how the exemption process works.
Japan cronyism scandal hitting Abe popularity
Former Moritomo Gakuen head Yasunori Kagoike and his wife were arrested in July on suspicion of illegally receiving subsidies. Sagawa later was promoted to National Tax Agency chief in what critics alleged was a reward for stonewalling the questioning.
Asked whether the EU might be ready to impose sanctions on Russia if, as May alleged yesterday, it agreed that it was "highly likely" that Moscow was behind the attack on a former Russian double agent, a senior member of the executive European Commission told reporters that London could count on Brussels.
May and EU27 leaders is set to hold a new round Brexit negotiation on March 22 and 23, with hopes for the consolidation of a transition deal immediately following March 29, 2019, when Britain will become a third country.
"Ms May, we did not vote for a transition period, we voted to leave this organisation, we voted to leave the customs union, we voted to leave the single market", he said.
"So please Mrs May at this summit next week, do what Trump has done, stand strong against the European Commission, against the unelected bullies", he said.
Matt Wallace beats Andrew Johnston in play-off to win Indian Open
The 27-year-old, who had found himself three over through eight holes of his opening round, told europeantour.com: "I'm ecstatic". South Africa's Keith Horne had the epitome of and up and down week with scores of 66-73-80-68 en route to a T12 at four-under.