Kansas father kills his four children and their mother before shooting himself

Incident marks second familicide in midwest in two weeks, with the children who died ranging in age from three to nine

A father killed his four young children and their mother before turning the gun on himself, said authorities in Wichita, Kansas - marking the second incident of familicide in the midwest in two weeks.

The Kansas Bureau of Investigation and Winfield police department said a man identified as 53-year-old Ronald Williams Sr called police at 8.50am on Tuesday to say he had killed his entire family and was about to take his own life.