VANCOUVER—A pediatric neurosurgeon in British Columbia is urging caregivers to take steps to prevent children from falling from windows and balconies after two kids have died from their injuries so far this year. Dr. Ash Singhal of B.C. Children’s Hospital said it’s also the provincial government’s responsibility to change the building code so windows in homes can’t be opened enough for young children to tumble out. A total of eight children have required emergency medical care at the hospital this year, he said, adding the two who died were under the age of four. Across the country, an estimated 420 children are treated in emergency departments every year for injuries related to falls from second-storey or higher buildings, according to the Canada Safety Council. “This is an enormous tragedy for kids and families and its effects often can cause very severe brain injuries, spinal cord injuries, smashed faces and the …