ABUJA, Nigeria (AP) — A Nigerian journalist’s arrest last week has triggered criticism of worsening press freedoms in the West African country.

Daniel Ojukwu with the Foundation for Investigative Journalism went missing last Wednesday in the economic hub of Lagos. His family and employer found out on Friday that he was detained and held in a police station for allegedly violating the country’s Cybercrime Act, often criticized as a tool for censorship.

The arrest of Ojukwu, who was later transferred to the Nigerian capital of Abuja, follows his report about alleged financial mismanagement of over 147 million naira ($104,600) involving a senior government official, according to his employer, the foundation.

Nigeria is ranked 112th out of 180 countries in the latest World Press Freedom Index by Reporters Without Borders. It is known for the country’s tough environment for journalists who face frequent abductions, arrests and prosecution, usually after reporting on chronic corruption and bad governance plaguing the oil-rich country.