Slovakia is weighing retaliation against Ukraine including withholding aid if a solution is not found to Kyiv's decision to shut off Russian gas, Prime Minister Robert Fico said on Thursday after talks with EU Energy Commissioner Dan Jorgensen.

Slovakia’s Prime Minister Robert Fico said he wasn’t ruling out the resumption of gas through Ukraine after a deal between Kyiv and Moscow expired at the beginning of this year.

The storm surrounding Ukraine's halt of Russian gas transit to Slovakia continues. Prime Minister Robert Fico spoke about his December visit to Moscow on Wednesday. I dealt with a serious problem there—damages amounting to one and a half billion euros,