Slovak President Andrej Kiska holds a candle during a silent protest march to pay tribute to murdered Slovak journalist Jan Kuciak and his girlfriend Martina Kusnirova on March 2, 2018 in Bratislava, Slovakia.
Slovak police on March 1, 2018 detained several Italian businessmen named by murdered journalist Jan Kuciak in an explosive report on alleged high-level corruption linked to the Italian mafia, as his killing sparked fresh demonstrations in the EU state. Kuciak, 27, and his fiancee Martina Kusnirova were found shot dead at their home near Bratislava on February 25, 2018. / AFP PHOTO / VLADIMIR SIMICEK