Family members are praying for the recovery of two children tonight after a wall collapsed on top of them in Bushwick. Police say the incident happened on Willoughy Avenue after the wall, which connects two buildings on the street, fell as they were playing ball in a brickyard. Fire officials say they took the victims, 11-year-old William Arango and 10-year-old Nathyis Figueroa, to Elmhurst Hospital. The city's Department of Buildings is investigating.