1. China said it was sending three navy vessels to the search area.

2. The whole operation would take place with the knowledge of the authorities and the navy, he said.

3. An Australian navy vessel also began to conduct a search, and more ships were on the way.

4. The Chinese navy has not tried to block the operations.

5. Two merchant ships and an Australian navy vessel also are in the search area.

6. Kiev said its navy chief has been detained.

7. Survivors have since accused the Australian navy of failing to respond.

8. In January, Japan said a Chinese frigate put a radar lock on a Japanese navy ship near the islands.

9. Five of his associates were killed, six injured and several captured, the navy said.

10. Avakov said the airports were controlled by Russian navy troops.