Prominent Hong Kong journalist Allan Au reportedly held on sedition charge

Reporter and lecturer's arrest in dawn raid another blow to city's press amid Beijing crackdown

A veteran Hong Kong journalist has been arrested by national security police for allegedly conspiring to publish seditious materials", a police source and local media said, in the latest blow against press freedom.

Allan Au, a 54-year-old reporter and journalism lecturer, was arrested in a dawn raid on Monday by Hong Kong's national security police unit, multiple local media outlets reported.