If the Tweet that you cited was indeed from the official account of the local fire department, then the editor who reverted you was wrong. Twitter accounts are

If the Tweet that you cited was indeed from the official account of the local fire department, then the editor who reverted you was wrong. Twitter accounts are mostly unreliable sources, except when they are reliable: that is, when an official or verified account gives information about themselves. See WP:ABOUTSELF and WP:SPS. The same goes for any such social media platform: YouTube, Instagram, Facebook, whatever. In fact, there are many TV news outlets who have official YouTube channels -- why wouldn't these be acceptable as reliable sources, just like a newspaper or a live TV broadcast?