US President Donald trump addressing at the ceremony of Medal of Valor at the White House, has directed the attorney General to propose a regulation to ban bump stocks and similar devices & that turn legal weapons into machine guns"
This move is the result of mass shooting :-
• Las Vegas incident of 1 oct 2017 in which 58 people were shot dead by the gunman at Harvest music festival.
•The attack at a Douglas high school in Parkland, Florida, less than a week ago that left 17 students and teachers dead on Feb 15 2018. 3. The attack at a Elementary school of Connecticut in dec 14 2012, in Connecticut,U.S. when Adam Lanza aged 20 fatally shot 20 kids and 6 staff members. Prior to that he shot his mother dead. After the scene, Lanza committed suicide by shooting himself in the head. These all incidents involved the use of firearm with bump stocks.