Vid-20160630-wa0030.mp4

: What happens in the video? (e.g., a news event, a prank, a political clip, or a security warning).

: Avoid opening unexpected .mp4 files from unknown sources, as they can occasionally be used in phishing or exploit attempts. VID-20160630-WA0030.mp4

: WhatsApp is frequently used to spread "virus warnings" about specific video files (like "Martinelli" or "Dance of the Hillary") that often turn out to be harmless hoaxes. : What happens in the video

To provide a solid report, I'll need a bit more context. Could you tell me: a news event