At first they thought it was all part of the show. Fireworks, perhaps.
But soon it dawned on John Leader and the rest of the crowd watching American band Eagles of Death Metal at Bataclan concert hall that it was something else.
Then, everyone threw themselves on the floor.
From behind a desk he was hiding behind with his 12-year-old son, he saw two of the shooters. One was changing his magazine.
Oscar told CNN that one of the gunmen said something about Syria. “You need to think about Syria” in French. The absence of a foreign accent suggested he was a local.
Leader says they were organized. One was covering the crowd and the other one was shooting. The father and son were one of the survivors of the Paris terrorist attack with the most number of casualties.
Striking the heart of Paris, the coordinated widespread attack was the most horrific act of terrorism France has experienced in over a decade.
Watch their full CNN interview below.
Read: 33 Ways to teach your child how to love humankind and live in a terrorism-free world
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