MEXICO CITY, Mexico (CNN)  -- In response to a spate of attacks allegedly by a drug cartel, Mexico more than tripled the number of federal police officers patrolling the state of Michoacan, a government spokeswoman said.



Drug violence is up in Michoacan state, shown by recent attacks on police in at least a half-dozen cities.



The government on Thursday dispatched 1,000 federal police officers to Michoacan state in southwest Mexico, increasing its presence to 1,300 total, Public Safety spokeswoman Veronica Penunuri told CNN.



At least 18 federal agents and two soldiers have been killed since the weekend in Michoacan, the home state of President Felipe Calderon.



The sudden spike in violence followed the arrest Saturday of Arnoldo Rueda Medina, whom authorities described as a high-ranking member of the drug cartel known as La Familia Michoacana.



Cartel members first attacked the federal police station in Morelia to try to gain freedom for Rueda, authorities said.



When that failed, drug gangs attacked federal police installations in at least a half-dozen Michoacan cities, according to authorities.



The Michoacan cartel also is accused in the slaying of 12 federal police officers whose bodies were found Tuesday on a remote highway.



Video from the scene showed three signs, known as narcomensajes, left by the killers. They all stated the same thing: "So that you come for another. We will be waiting for you here."



Since Calderon went after the drug cartels shortly after coming into office in 2006, more than 10,000 people have died across Mexico, about 1,000 of them police.



The state of Michoacan, on Mexico's southwest Pacific coast, is not alone in the wave of violence sweeping the country.



The border city of Ciudad Juarez set a record this weekend when its toll of drug-related deaths for the year topped 1,000, a distinction the Mexican city did not reach last year until September.
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question: How many federal police officers were slayed?, answer: 18 | question: How many police officers is La Familia accused of killing?, answer: 12 federal | question: What are the government responding to?, answer: a spate of attacks allegedly by a drug cartel, | question: Who have been accused of the slayings?, answer: The Michoacan cartel | question: What caused the sudden spike in violence?, answer: followed the arrest Saturday of Arnoldo Rueda Medina, | question: Where were the deadly attacks?, answer: Michoacan state, | question: What day was the high ranking drug cartel member arrested?, answer: Saturday | question: What has more than tripled?, answer: the number of federal police officers patrolling the state of Michoacan, | question: What government is responding to deadly attacks in Michoacan?, answer: Mexico | question: What did Mexican government respond to?, answer: a spate of attacks allegedly by a drug cartel, | question: How many federal police officers were slayed?, answer: 18 | question: Where were the deadly attacks?, answer: Michoacan state, | question: Who is accused in the slayings of 12 federal police officers?, answer: The Michoacan cartel | question: who is accused?, answer: The Michoacan cartel | question: how many police officers were there?, answer: 1,300 total, | question: where was deadly attacks happen?, answer: Michoacan state, | question: What caused a sudden spike in violence?, answer: arrest Saturday of Arnoldo Rueda Medina, | question: What caused the sudden spike of violence?, answer: the arrest Saturday of Arnoldo Rueda Medina, whom authorities described as a high-ranking member of the drug cartel known as La Familia Michoacana.