Native protesters then jumped onto the vehicle and threatened to kill them.
The independent press was censored, foreign journals restricted and protesters threatened with harsh punishment.
At Carrickfergus town hall, protesters disrupted a meeting of the council and threatened councillors.
The government said it was forced to take the step because armed protesters were threatening staff and patients.
The police detained 30 demonstrators in Pasuruan, more than 400 miles east of Jakarta, after the protesters threatened to attack fuel sellers.
Some protesters threatened legal action against the Palace Museum.
He said the protesters had threatened to enter the hostel and kill those they considered reponsible for the killings earlier in the day.
The protesters have threatened further arson - and hostage-taking - if their demands are not met.
At a news conference last week, protesters said they had been treated roughly by campus police and threatened to file suit.
Douglas argued that the protesters did not engage in or threaten violence or block the entrance of the jail.