His spokesman insisted that a bad case of sciatica and cramps had been to blame.
At last month's European Union summit in Salzburg, Mr Tusk rejected Theresa May'sBrexit proposals and sparked anger among some Tories with an Instagram post apparently poking fun at the prime minister and suggesting she was "cherry picking". "I will not miss it".
The United Kingdom's integrity will be preserved as part of any Brexit deal and there will be no new regulatory barriers between Northern Ireland and the rest of the UK unless the province's executive agree, the Brexit ministry said on Friday.
At a press briefing in Brussels, Mr Tusk - the former prime minister of Poland - said: "In respecting our partners, we expect the same in return".
Jean-Claude Juncker nevertheless struck a more optimistic note in his interview about the Brexit negotiations, with a crucial leaders' summit less than two months away.
The UK and the European Union are still divided on how to solve the issue of the Irish border, less than two weeks before a crunch European Union summit on 17 October.
Ireland's Prime Minister Leo Varadkar arrives in Brussels to meet European Union officials later on Thursday. "I will put the issue of cyber security on the agenda of the next European Council". If all goes well, another summit will then be called for mid-November.
Irish deputy prime minister Simon Coveney
I think a cliff-edge or a no-deal scenario is something we shouldn't even contemplate.
The EU has previously had an issue with that as it fears Britain could use the special access of Northern Ireland to the bloc's single market to push goods that would not have to conform with high EU norms and could hence be sold cheaper. "I am confident given the fact that we have done a huge amount of work on the withdrawal agreement - it is about 90% complete", she told the BBC.
Requirements in European Union law, such as in Technical Specifications for Interoperability, are still likely to apply during a transition period should a deal be reached. We are not that far yet.
Asked if an exit from Brexit was still possible, Mr Juncker said: "That is in the discretion of the British Parliament and the Government".
Juncker said that the potential for a rapprochement between the two sides had grown in the last few days, echoing what diplomatic sources have told Reuters.
"But it is not possible to predict whether we will be able to conclude the talks in October".
She added: "We asserted our common position that the "backstop" as already agreed must be maintained and is the absolute bottom line for Sinn Fein, SDLP, Alliance and Green Party".
Vettel and Verstappen collide in Japan
He took the flag at Fuji for McLaren in 2007 and has now won for Mercedes at Suzuka in four of the five races since 2014. Vettel's misfortune allowed 21-year-old Dutch driver Max Verstappen to qualify third for Red Bull .
Officer Dead, 6 Others Injured In South Carolina Standoff
So many people came to Carraway's rural house across from a soybean field that they were parking in an empty lot next door. Florence County Emergency Management confirmed that there was an active shooter incident off of Hoffmeyer Rd. near Lucy T.
In the second half, Ross Barkley rose to the occasion and made it 2-0 for his side after receiving a lay off from Olivier Giroud . However, he does like to score against the Saints, who top the Giroud versus stats with eight goals against.
This is the sixth straight month the unemployment rate has been at or below four percent , also the best in a half century. Sales of existing homes have fallen over the past year, held back in part by higher mortgage rates.
Team news: What do Jose Mourinho and Rafa Benitez have to say? "Today, you have to give credit to Man United ". In his pre-match press conference on Friday, Mourinho accepted that the performance was not good enough.
She said Khashoggi had gone to the consulate to obtain documents for their own marriage to prove he was not married. He was also required to surrender his mobile phone - which is standard practice in some embassies and consulates.
You can see the squad we've picked, it's very different to the Spain squad for example in terms of those big-match experiences. The 18-year-old winger is enjoying a sensational start to 2018/19 and has been rewarded with a first Three Lions call-up.
They had six pass plays of longer than 20 yards against the Panthers, including Beckham's 33-yard touchdown catch from Manning. At the quarter mark of the season, the Giants rank 25th in offense and 11th in defense in terms of yards.
Today's vote will boost Donald Trump's drive to secure conservative dominance of the United States' highest court. She said she believes voting against Kavanaugh without witnesses or proof could start a "dangerous" precedent.
Another fisherman from Darwin reportedly almost had his finger amputated after being bitten by a sea snake earlier this year. It is noted that death from the bite of sea snakes - a rare phenomenon, in spite of their deadly poison.
Some critics saw antisemitic overtones in Trump's tweet referencing George Soros , a billionaire liberal activist who is Jewish. The accusations came just ahead of a procedural vote in the Senate on Kavanaugh, who has been accused of sexual misconduct.
How José Mourinho Is Killing Manchester United
After the forthcoming worldwide break, their next six games include matches against Chelsea, Juventus twice and Manchester City . Migliaccio also does not believe Zidane wants to manage in England either, suggesting his style differs from the English game.
Mahrez deflated by Anfield penalty miss - Stones
They also dropped deeper as a back four to deny Liverpool's front three the space to get in behind them and it worked a treat. The extent to which that was City's doing and to which it was down to Liverpool being a little off-colour is hard to say.
Head of Interpol disappears during visit to China
Mr Meng likely dealt extensively with former security chief Zhou Yongkang, who is now serving a life sentence for corruption. The paper reported that after landing, Meng was "taken away" for questioning by what it said were "discipline authorities".
Utah toddler put $1,000 through shredder, parents say
He had been helping her shred junk mail and documents, she told KSL Apparently, he thought he was being helpful this time, too. After saving for about a year, they finally had enough to pay back a family member for their season tickets.