As Ukraine prepares for parliamentary elections at the end of the month, a series of so-called "trash bucket challenges" are spreading across the country.

Activists, many from the far right, are throwing politicians whom they say are corrupt into rubbish bins.

Some of them have been brutal, and one official was also severely beaten. Critics have called the actions mob justice, and ask what this means for the rule of law in Ukraine in the future.

David Stern reports from Kiev.

The BBC has not been able to fully authenticate some of the footage in this video, but based on additional checks made on it, it is believed to be genuine.