Fourth of July is a US celebration. Why is it the riskiest day for mass shootings?

Homicides spike in the summer, and large gatherings with a lot of people - and alcohol thrown in - can see gun violence

Gun violence is a daily reality across the US, but an emerging body of research indicates the most risky day for mass shootings in the nation is the Fourth of July, when Americans celebrate their independence from Britain.

Using data from the Gun Violence Archive, James Alan Fox, a criminologist at Northeastern University, found that there have been 52 mass shootings on the Fourth of July over the past decade, averaging just over five a year, and more than on any other given day.