CNN reports Maria Ressa, a high-profile Philippine journalist and vocal critic of the country's president, was arrested Wednesday in connection with "cyber libel" charges against Rappler, the news site she oversees.
Ressa was formally arrested on Wednesday.
Earlier in the day, she was served an arrest warrant by Philippines National Bureau of Investigation officers.
Rappler said the charges are over an article it published in 2012.
Maria Ressa, chief of Philippine news website Rappler known for its scrutiny of Philippine President Rodrigo Duterte, has been released on bail after her widely condemned arrest for libel charges the..