Nightly News | January 20, 2012
>>> overseas now. six u.s. marines were killed today when they are helicopter went down in helmand province in southern afghanistan. u.s. officials say there were no signs of enemy fire . the crash is still under investigation.
>>> in syria where that violent uprising has been going on for nearly a year, the u.s. is considering closing the embassy in damascus and pulling out all american personnel. last summer, pro government demonstrators attacked the u.s. compound and the security situation is deteriorating. nbc's aman mundele nifrn's reporting can be found on our website.