Hong Kong’s press freedom took another dive on Dec. 29, after more than 200 national security police raided the office of a local online media outlet and arrested seven people, prompting several rights groups to issue statements expressing concerns. Stand News, a nonprofit news outlet set up in 2014, became the second Hong Kong media outlet to be raided this year after 500 police officers raided local newspaper Apple Daily’s headquarters and arrested five of its directors in June. Both media outlets are known for publishing voices supportive of the Hong Kong protesters. The raid against Stand News’ office in Kwun Tong district ended at around noon local time, with the police seizing about 30 boxes of evidence as well as several computers. Following the raid, Stand News announced on its Facebook page that it will stop operation immediately, including stopping updating all of its social media accounts. It added …