Travel State Department lowers China travel advisory but warns of ‘arbitrary detentions and exit bans’ September 14, 2020September 15, 2020 Jayme Deerwester, USA TODAY Comments Off on State Department lowers China travel advisory but warns of ‘arbitrary detentions and exit bans’ At the same time, the State Department warned Americans about "arbitrary detention" and "arbitrary enforcement of local laws" in China and Hong Kong.