OKLAHOMA CITY (AP) — A Tulsa dentist convicted in the death of the 19-month-old son of a woman with whom he had a relationship has been sentenced to life in prison.

The sentence was handed down Friday to 37-year-old Bert Franklin. An Oklahoma County jury found Franklin guilty last month of first-degree murder in the death of Lincoln Lewis.

Prosecutors say Franklin fatally fractured the toddler's skull inside Randall's Oklahoma City house on July 16, 2016. The toddler died two days later. Franklin was in a relationship with Lincoln's mother, Roxanne Randall, at the time.

Franklin was also found...