Prime Minister Robert Fico said he secured Slovakia's gas supply during a visit to meet Russian President Vladimir Putin in Moscow last month, before Ukraine halted Russian gas transit in 2025.
Seven people died and five others were injured when a train collided with a bus at a crossing in Slovakia on Thursday evening, emergency services said.
Poland has extended border controls with Slovakia until March 2 to try to stop illegal migrants entering from Slovak territory, the interior ministry said on Friday.
Slovakia's president urged lawmakers to reconsider plans to scrap a special prosecution office for high crimes, as tens of thousands protested against moves they see as threats to the rule of law.
Illegal migrants kept arriving at a police registration centre in southern Slovakia on Thursday, as border controls imposed by the government appeared not to have deterred smugglers
The Czech Republic and Poland took coordinated action on Tuesday to introduce checks along their borders with Slovakia to curb illegal migration flows and smuggler activity.
