Nigeria, Dec. 11 -- Nigerian authorities should halt all efforts to intimidate journalists working with the U.S.-headquartered, Nigeria-focused Sahara Reporters news website and ensure they are permitted to continue working to report the news, the Committee to Protect Journalists said today.

Sahara Reporters staff told CPJ their Nigerian bank account was frozen without advance notice in October, significantly hindering their operations. The website was separately disabled twice due to allegations of copyright infringement, and staff report cyberattacks and increased surveillance outside their Lagos office, according to Sahara Reporters staff who spoke to CPJ.

The site conducts aggressive reporting on corruption, according to CPJ's revie...