Lawmakers are pushing congressional leaders to take greater steps to ensure their safety as they confront the growing risk of violence.

Joseph D. Morelle has fielded a torrent of calls in the days since one Minnesota legislator and her husband were shot and killed, and another and his wife were seriously injured. The highest ranking Democrat on the House Administration Committee said he’s been in touch with the Capitol Police and sergeant-at-arms,

Senators will be briefed by law enforcement Tuesday on safety and security after the murder of a Minnesota lawmaker and her husband on Saturday.