"It also comes in the midst of the holy Muslim month of Ramadan, when the world is witnessing a high frequency of terror attacks," Wang Guoxiang, an associate professor at the Beijing Academy of Social Sciences , told the Global Times.
An armed man killed 38 people at a beach in a Tunisian resort on Friday, and 25 people were killed in a suicide bomb strike on a Muslim mosque in Kuwait on the same day. The Islamic State has claimed responsibility for the two attacks, the Xinhua News Agency reported.
Xinjiang authorities have busted 181 terror groups as of May after launching a sweeping anti-terrorism campaign in 2014, according to Xinhua.
The tightened patrols will serve as a psychological deterrent to terrorists, Wang said.