 On 17 October a Montoneros bomb blast in an Army Club cinema in downtown Buenos Aires killed 11 and wounded about 50 officers and their families.On 9 November, eleven police officers were wounded when a Montoneros bomb exploded at the police headquarters of La Plata during a meeting of the Buenos Aires police chiefs.On 16 November, about 40 Montoneros guerrillas stormed the police station at Arana, 30 miles south of Buenos Aires.