Tyler Robinson, 22, was arrested and is likely to be charged with several charges, including aggravated murder, in connection with the attack last week.

WALNUT CREEK — Two women died Thursday night in what police are calling a double homicide, authorities said. Little information was available immediately, but police in a statement said the killings happened about 11:45 p.m. on Kelobra Court. Officers responding to the scene found the women dead, police said.