Girl dies weeks after Expo Park big rig crash that killed her sister

LOS ANGELES (KABC) -- A girl who was struck by a big rig as she and her sister walked to school in Exposition Park has died, police said Monday.

Amy Lorenzo, 12, and her sister Marlene, 14, were walking to school in a crosswalk on April 4 when they were both struck by a truck.

Marlene died that day, but Amy was hospitalized in critical condition and in a medically induced coma.

On Monday, police announced that Amy had died.

"It's with deep regret and a heavy heart to announce that Amy Lorenzo died earlier today," LAPD Det. Moses Castillo wrote on Twitter. "Keep her family in your thoughts & prayers. Family has asked for privacy and is very appreciative of the out pouring of community love & support."

Investigators were trying to determine if the driver was distracted at the time of the collision. The driver was not arrested.