( CNN ) -- Gunmen killed three police officers in Acapulco , Mexico , early Monday morning in attacks on two police stations , the state news agency Notimex reported . Suspected gang members are handcuffed after a gunbattle in Acapulco , Mexico , on Saturday . The attacks came two days after a ferocious street gunbattle that left 18 people dead , including two soldiers . Mexican soldiers , in trucks and helicopters kept watch over the resort town Monday . Along with swine flu fears , the uptick in violence threatens the tourist economy of Acapulco and other popular resort areas . Witnesses told police that just before 6 a.m. , gunmen armed with AK-47s stepped out of two luxury vehicles , walked toward the police station in the Ciudad Renacimiento neighborhood and began shooting . Acapulco officers Gilberto Reducindo Salazar and Arturo Tonala Aguilar were killed in that incident , according to Notimex . Shortly afterward , at a second local police station , attackers fatally wounded officer Andres Guzman Casiano , Notimex said . A fourth officer was injured . The Guerrero attorney general 's office said the attacks could have been conducted by the same people , as there was a 30-minute gap between them , the state agency reported . It was unknown whether the attacks were connected with Saturday 's shootout , which started when soldiers went to a location called Avenida Rancho Grande in Acapulco on an anonymous tip . They were met by gunfire , according to a statement from Mexico 's Ministry of Defense . Five people were arrested in connection with the shootout . Sixteen gunmen and two soldiers were killed , and nine soldiers were wounded , the statement said . After that incident , authorities seized 36 large-caliber weapons , 13 small-caliber weapons , two grenade launchers , 13 fragmentation grenades , 3,525 rounds of various caliber ammunition , 180 charges and eight vehicles , the ministry said .
Attacks came 2 days after ferocious street gunbattle that left 18 people dead . 2 soldiers , 16 suspected gang members killed ; 9 soldiers wounded Saturday . Five people arrested in connection with shootout ; authorities seize weapons . Mexican soldiers , in trucks and helicopters kept watch over Acapulco on Monday .