Except in emergency situations, the public security organ must have a search warrant during a search.

Units and individuals that hold guns shall undergo inspection at the time and place as designated by public security organs.

When on-duty public security personnel examine citizens' resident identity cards, they shall produce their own service cards.

Since then, around 500 more microblogs have been opened by local police authorities throughout the country, with some notable success stories.

This second signal is designed to withstand localized jamming and will be used by police and military services in Europe.