Mick Philpott has admitted hitting a previous girlfriend, but says she deserved it because he claims she hit his children.
Prosecutor Richard Latham claimed Philpott hit his mistress, Lisa Willis, with a stick.
Philpott says he "can't recollect" whether he did or not.
More top news
A six-year-old boy playing with a gun fatally shot his younger brother, 4, in the head, authorities said.
A band of rain will approach from the west today and threatens to be heavy at times.
Drugs mule Melissa Reid was caught smuggling £1.5 million of cocaine out of Peru so she could "boast about it" to friends in Ibiza.