Concern has been expressed internationally about the disputed presidential election in Ukraine. Here are some key quotes.
"The United States is deeply concerned over the elections in Ukraine...
"Should, in the final analysis, this election prove to be fundamentally flawed and tarnished, we would certainly need to review our relations with the Ukraine and consider further steps against individuals who had engaged in fraud."
"This is not a question about support for one candidate or another candidate. This is a question about support for the democratic process - for people to be able, without intimidation or harassment or the threat of violence, to freely express their opinion and for that opinion to be accorded its due weight in a fair and transparent process. That up till now has not happened in the Ukraine..."
US state department spokesman Adam Ereli
"It is now apparent that a concerted and forceful programme of election-day fraud and abuse was enacted with either the leadership or co-operation of governmental authorities.
"I believe that President Kuchma has the responsibility and the opportunity for producing, even at this point, an outcome which is fair and responsible."
US Senator Richard Lugar, chairman of the US Senate Foreign Relations Committee
"We're very concerned indeed about the reports I've seen and we've seen about election practices. It's very difficult to argue that this was a free and fair election..."
UK Foreign Secretary Jack Straw
"We don't accept these results. We think they are fraudulent. We are very concerned about the news we have had about the
"We have also decided that the EU presidency, together with the Organisation for Security and Cooperation in Europe, will discuss further steps with the Ukrainian authorities because we call on them to review, together with the OSCE, the electoral process and its results."
Dutch Foreign Minister Bernard Bot, speaking after a meeting of EU foreign ministers
"The second round of the Ukrainian presidential election does not meet a considerable number of OSCE conditions and Council of Europe and other European standards for democratic elections.
"Overt bias in the state-run media continued to favour the prime
Bruce George, chief of the OSCE observer mission
"It was stressed that the battle had been
hard-fought, but open and honest, and his victory was
Alexey Gromov, press secretary to Russian President Vladimir Putin, quoting Mr Putin's conversation with Viktor Yanukovych
"Yanukovych should simply take over as president and rule the country calmly. From the point of view of democracy the loser should take the first step...
"A politician should aim for victory but at the same time he should be able to be a worthy loser. Like a boxer who survives to the end of the fight but loses on points and embraces his opponent."
Valery Bogomolov, pro-Putin United Russia party, quoted by Gazeta newspaper
"A peaceful transfer of power to your successor will be in the interests of Ukraine, Europe and the entire world and will open new prospects for relations between our two countries.
"In the opposite scenario, we will be obliged to review our relations with Ukraine and with the individuals who participated in fraud and manipulation."
US President George W Bush in a letter to President Kuchma before Sunday's vote