After the World Cup, football fans around the world often eagerly anticipate the UEFA European Football Championship .

But this time a possible terrorist attack in eastern Ukraine, poses a major security challenge in the run up to the Euro 2012 football tournament.

At least 30 people were injured in four consecutive blasts that rocked central Dnipropetrovsk, which was initially set to be a host city for Euro 2012 but was replaced in 2009 by Kharkiv.

Euro 2012 is scheduled to be co-hosted by Ukraine and Poland and will start on June 8.

Soon after that incident, Spain, who hosted the tournament way back in 1964, had reportedly offered to host next month's tournament.

But Ukraine's top football official rubbished that report, calling them "groundless".

Ukraine has given a clear assurance to UEFA that steps are being taken to ensure the safety of visitors and players. Uefa also have no new concerns over security measures for the tournament.

Uefa meanwhile alerted the Ukrainian delegation about the concerns raised by the political situation in Ukraine among European politicians and media regarding the conviction of leading opposition politician Yulia Tymoshenko last October.

Following the bombings, several European leaders have cancelled visits to Ukraine amid growing concern over alleged mistreatment of Tymoshenko.

EU Commission President Jose Manuel Barroso and Justice Commissioner Viviane Reding have confirmed they will boycott Euro 2012.

A spokesman of German Chancellor Angela Merke said that her visit will depend on Tymoshenko's fate.

German Environment Minister Norbert Roettgen has already said that his government should maintain its distance from Euro 2012.

Not only terrorist's threats and political turmoil, another big problem lies before the tournament. According to a report published in a British tabloid, neo-Nazi paramilitaries are secretly training football hooligans to wreak havoc during Ukraine's match against England.

The newspaper published picture of members of extreme right-wing militia The Patriot of Ukraine as it drilled thugs in unarmed combat, knife fighting and use of rifles and pistols at a secret camp.

They don't want to see black players in European teams. We want to change that. The aim is to one day take the country back for the white Ukrainian people."

They are fighting for a white Europe led by a white leader.

All three of England's group matches are in the Ukraine.