How legit news sources deal with it, is an interesting question and fairly topical. With the attack on the UK Parliament yesterday I noticed just now that Buzzfeed has a collection of related fake news items from various sources. This seems a really good idea; to have a section in each news source of the fake items. It would then be perhaps easier to decide (or accept) which is which.
Here's The Misinformation Spreading About The London Attack
Here's The Misinformation Spreading About The London Attack
