When news breaks, a quick way to find photos and videos from the scene is to search Twitter using latitude and longitude coordinates.
The recent attack on the Afghan parliament in Kabul is a useful case study.
You can add many more instructions to this prompt to filter your search even further, reducing results by date and/or miles from location: e.g. near: “34.464709, 69.118657” within:3mi since:2015–06–21 until:2015–06–22
Is this how you do it? Tweet your top tips for social media newsgathering to @firstdraftnews.