The killing of Father Popieluszko created such outrage here in 1984 that the Communist authorities feared widespread demonstrations.
Fearing growing anti-government demonstrations in Aleppo, police raided the Aleppo University campus and arrested dozens.
When an abortion clinic, fearing demonstrations, called to hire an off-duty officer, it was assigned a regular patrol at no cost.
The secret state police prohibited his burial in Prague because they feared demonstrations, such as the ones that followed the burial of Jan Palach.
Fearing demonstrations, the authorities did not announce Khrushchev's death until the hour of his wake, and surrounded the cemetery with troops.
Fearing demonstrations, organizers of the Summit were laying on extra security.
Many groups fear demonstrations - indeed, protest groups have been divulging information about the partying habits of the biggest donors - or cite security concerns.
Egypt has increased its force in Saudi Arabia to an estimated 45,000 soldiers, but kept its universities shut for the coming week, fearing pro-Iraqi demonstrations.
But later, many businesses closed again, fearing renewed demonstrations.
"I think they fear civilian demonstrations."