Chang Wanquan exhorted the military, police and general population to prepare for a 'people's war at sea.'
The cable between Vietnam and Hong Kong snapped due to Typhoon Nida leading to slow speeds.
This is unusually low considering workers have enjoyed double-digit increases in recent years.
Vietnam came as the fourth top market in Asia Pacific in terms of hotel investment volumes in H1.
This represented a 0.8 percentage point rise from last year.
The UNESCO-recognized reserve is known for its pristine beaches.