Czech Prime Minister Andrej Babis at a news conference in Bulgaria in January. Three investigative journalists say police have questioned them repeatedly over their reporting on allegations of wrongdoing by Babis. (AFP/Nikolay Doychinov)
Czech Prime Minister Andrej Babis at a news conference in Bulgaria in January. Three investigative journalists say police have questioned them repeatedly over their reporting on allegations of wrongdoing by Babis. (AFP/Nikolay Doychinov)

Czech investigative journalists say police repeatedly questioned them