Arizona Republican US Sen. John McCain today endorsed Massachusetts US Sen. Scott Brown, who is locked in a tight battle with Democrat Elizabeth Warren.
In a video message, McCain, the GOP's 2008 presidential nominee, praised Brown's 32 years of service in the National Guard.
"Scott understands that our freedoms are preserved by a strong military and our number one priority is keeping Americans safe at home and abroad," McCain said.
McCain cited the deaths this week of four US diplomatic personnel in Libya and protests against US embassies across the Muslim world over an anti-Islamic film in his remarks supporting Brown.
"Scott understands the challenges we face and he has the experience, wisdom and temperment to influence the choices our nation makes," McCain said.