Los Angeles Police Department gather at the site of a standoff in the Sylmar section of Los Angeles on Monday, April 4, 2011. Police blasted tear gas into a home and traded gunfire Monday with a man ... more 
Los Angeles Police Department gather at the site of a standoff in the Sylmar section of Los Angeles on Monday, April 4, 2011. Police blasted tear gas into a home and traded gunfire Monday with a man believed to have shot and critically wounded an officer during a night standoff. The man remained barricaded in the Sylmar home as police and Los Angeles County sheriff's officers in armored vests and helmets surrounded the house. less 
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Associated Press | Photo By Nick Ut
Tue, Apr 5, 2011 5:27 AM EDT