Bangladesh, Sept. 28 -- Fighting erupted anew Sunday between Armenian and Azerbaijani forces over the disputed separatist region of Nagorno-Karabakh and a top territorial official said 16 people were killed and more than 100 wounded, while Azerbaijan's president said his military has suffered losses.

Armenia also claimed that two Azerbaijani helicopters were shot down and three Azerbaijani tanks were hit by artillery, but Azerbaijan's defense ministry rejected that claim.

Heavy fighting broke out in the morning in the region that lies within Azerbaijan but has been under the control of ethnic Armenian forces backed by Armenia since 1994 at the end of a separatist war. It was not immediately clear what sparked the fighting, the heaviest ...