4 U.S. citizens missing, feared kidnapped in Matamoros, Mexico

MATAMOROS, Tamaulipas — Four U.S. citizens were kidnapped after gunmen opened fire on their vehicle in the northern Mexico border city of Matamoros, the FBI said Sunday.

The four entered Matamoros, across from Brownsville, Texas, on Friday. They were traveling in a white minivan with North Carolina license plates. -- More...