On the evening of April 8, Hà Nội Police announced that its Cybersecurity and High-Tech Crime Prevention Division (PA05) had “taken action” against a young man for posting what the agency described as “false information” on social media.

Following the timeline: According to the authorities, the individual—identified as N.T.Đ.—used his personal Facebook account to post a status reading, “Fuel prices ‘make a U-turn’—brothers, go fill up now.”