Flames burn at an intersection in San Francisco, Wednesday, Feb. 6, 2019. An explosion on a gas line has set at least one San Francisco building on fire and is sending huge plumes of fire and smoke into the air, prompting evacuations of nearby buildings.
Flames burn at an intersection in San Francisco, Wednesday, Feb. 6, 2019. An explosion on a gas line has set at least one San Francisco building on fire and is sending huge plumes of fire and smoke into the air, prompting evacuations of nearby buildings. Jeff Chiu AP Photo
Flames burn at an intersection in San Francisco, Wednesday, Feb. 6, 2019. An explosion on a gas line has set at least one San Francisco building on fire and is sending huge plumes of fire and smoke into the air, prompting evacuations of nearby buildings. Jeff Chiu AP Photo