In firefox there’s an extension that suspends tabs that haven’t been active for a while. I guess that chrome has something similar.
Firefox does that natively now, AFAIK. Also, a popular Chrome extension that did the same changed hands and turned to malware a while back, just FYI.

The article title is extremely misleading, making this look like a terrorist attack during a random religious festival. The rest of the article describes this instead as violence perpetrated by the military junta on a small protest.