Maryland Governor Martin O’Malley on Thursday signed into law one of the United States’ toughest gun control measures, even as opponents vowed to overturn it.
The legislation prompted by the Newtown, Connecticut, school massacre requires handgun buyers to undergo safety training and submit fingerprints to obtain a license.
It also bans the sale of 45 types of assault weapons, which have been linked to at least 461 U.S. deaths since 2004, according to the governor’s office.
Opponents of the changes say they aren’t planning to seek any sort of public vote/referendum on the bill, but will instead offer support to an NRA lawsuit which challenges the legality of the new regulations. Similar legislation has been passed in Colorado, New York, and Connecticut following a recent uptick in mass shooting incidents.