Biden and Harris unveil measure to tackle gun violence amid Trump clash

Executive order aims to crack down on conversion devices and 3D guns as Harris and Trump spar on campaign trail

Joe Biden and Kamala Harris unveiled a new executive order aimed at tackling gun violence on Thursday, as the vice-president and Donald Trump clash over the issue on the campaign trail.

The order establishes a new emerging firearms threats task force" to crack down on machine-gun conversion devices and unserialized, 3D-printed guns. The policy also calls on federal agencies to develop guidance for schools on active shooter drills to mitigate potential psychological harm to students.