What to Know About Berlin's Christmas Market Attack

Twelve people were killed and nearly 50 wounded, some critically, when a truck deliberately plowed through a crowded Christmas market Monday evening local time in central Berlin. Here's what we know so far:

What happened?

The attack took place Monday evening at a Christmas market outside the Kaiser Wilhelm Memorial Church in the city's center. The crowd was a mix of tourists and locals, shopping for gifts and enjoying the traditional festive atmosphere.