Witnesses told police a gas canister exploded to start the fire in a multilevel building which houses the Ycua Bolanos supermarket, a food court and a parking garage, causing the bottom floor to collapse.
Ycua Bolanos supermarket was modern.
( z1 modern :ARG1 ( z2 supermarket :name ( z3 name :op "Ycua" :op "Bolanos" ) ) )