Russian President Vladimir Putin has vowed to bring "destruction" to Ukraine in response to a drone attack on the city of Kazan, located roughly 620 miles from the frontlines of the ongoing conflict.

President-elect Donald Trump plans to launch a mass deportation operation targeting millions of immigrants living in the U.S. illegally and with temporary protections once he takes office on Jan. 20, a challenging initiative that could split apart families and affect U.S. businesses.