Oregon shooting victims: three boys and female teacher killed at elementary school

Father of five-year-old Rhoam Summer says family broken and lost', while seven-year-old and 54-year-old in hospital

Authorities are investigating a shooting at an elementary school in Bend, Oregon, where a 16-year-old shooter killed four people before being shot dead by a bystander.

The shooting took place on Thursday afternoon at Silver Rail elementary school, about 125 miles (200km) south-east of Portland.