A bomb blast in Santiago, Chile, on monday afternoon, in the metro station “Escuela Militar”, in the shopping quarter of Las Codnes. The explosion occurred at lunchtime. The act is under investigation. Investigator suspect a terroristic act, but no group claimed responsibility.

“At 2pm local time an explosive device was detonated in the centre (mini-mall) by the metro station, and at the moment investigations are being carried out to determine the origin,” Mario Rozas, head of police communications, said.

In the past, one member of an anarchist group has been killed and another injured trying to set off explosive devices, but no bystanders have been hurt.

The Guardian report that in July, incendiary devices exploded on an underground train and outside a church without causing injuries. Leaflets were found at the church site seeking “rights” for two Chileans held in Spain and linked to an extremist anarchist group.

This week Chile commemorates the 41st anniversary of the 1973 military coup that removed socialist President Salvador Allende from power. The events of the coup still deeply divide Chilean society, and the anniversary is traditionally a time of protests that often turn violent.

The metro was operating normally on Monday evening, police said.

GETTY IMAGES – Didascalia:A bunch of flowers lies on the floor at the ‘Escuela Militar’ subway station in Santiago on September 9, 2014. A homemade bomb wounded 10 people when it rocked a food court inside a packed Santiago metro station at lunch hour on Monday, with Chile’s government calling it a ‘terrorist act.’ The explosive device that ripped through Escuela Militar (Military School) station was made of a fire extinguisher and a clock and had been planted in a trash can, officials said. . AFP PHOTO/ MARTIN BERNETTI (Photo credit should read MARTIN BERNETTI/AFP/Getty Images)