Nashville gunman ambushed, shot police officer, then killed himself, authorities say

A Nashville, Tenn., police officer was shot Tuesday evening in an ambush-style attack while responding to a home where a gunman had lured officers before opening fire and eventually killing himself, police said. Officer Brian Sherman was shot in the upper left arm as he and other officers responded to a "setup call" amid reports of a woman shot inside a home in the 7000 block of Sugarloaf Drive just after 6:10 p.m. A man called 911 saying his brother shot his mother and was firing inside, police spokesman Don Aaron said. -- More...