| CNN.com delivers up-to-the-minute news and information on the latest top stories, weather, entertainment, politics and more. | Video shows moment after blast | | 10 people have been killed and about 50 were injured in a St. Petersburg metro station explosion, state-run TASS reported, quoting the governor's press secretary Andrei Kibitov. |
| Facebook is twinning Snapchat | | Facebook is bringing glitter beards and cartoon sloth hats to the phone, an important business endeavor it takes very seriously. |
| Why Facebook tracks internet outages | | The internet doesn't have an off switch. While it's interesting to imagine pressing a big red button and -- poof! -- the internet goes out around the world, it's actually much more complicated than that. |
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