While the bloodshed appears to be cooling a bit in Northern Mexico the violence has taken a turn for the worst in Southwest Mexico. Police are on high alert after gunmen ambushed six different police patrols on Tuesday. All of the ambushes occurred in the Mexican state of Michoacan. Two federal police officers were killed and 15 officers were injured. At least 20 gunmen were killed. fFghting between the Knights Templar drug cartel and federal police has increased in the past two weeks in Michoacan. Last week four police officers were killed.