1.   Chinese frog hunters who illegally crossed into Russia opened fire on Russian border guards Wednesday, killing one of them, a news agency reported.

2.   Chinese frog hunters who illegally crossed into Russia opened fire on Russian border guards Wednesday, killing one, a news agency reported.

3.   Earlier this year, Chinese frog hunters who illegally crossed into Russia opened fire on Russian border guards, killing one.

4.   Last weekend, Russian border guards detained two groups of Chinese frog hunters, the report said.

5.   Last weekend, Russian border guards detained two separate groups of Chinese frog hunters, the report said.

6.   Last weekend, Russian border guards detained two separate groups of Chinese frog hunters.

7.   A Russian border guard officer was killed on Wednesday in a clash with Chinese frog hunters near the Russian-Chinese border, ITAR-TASS news agency reported.