Details set on major portions of gun control bill -U.S. Sen. Murphy

A "substantial" part of a gun control deal announced by a bipartisan group of 20 U.S. senators has been nailed down by negotiators, allowing the drafting of legislation to get underway promptly, Democratic Senator Chris Murphy said on Sunday.

In a telephone interview with Reuters, Murphy, one of the main negotiators of the framework deal, said senators and their aides will "get to work" writing legislation on Monday.