WEST BEND, Wis. (AP) -

West Bend police say they will seek child neglect charges against the mothers of two young boys who have twice taken vehicles on joyrides this summer.

The latest incident was Sunday, when the 9-year-old boy and his 4-year-old nephew

Capt. Tim Dehring told Milwaukee Journal Sentinel on Wednesday that the boys, ages 9 and 4, were taken into protective custody after the latest incident on Sunday. Authorities said previously that the boys were headed to a park but ended up in a ditch. Neither child was injured.

Dehring says the 9-year-old is the 4-year-old's uncle and they live together with their mothers. He says police are seeking charges against both women and the live-in boyfriend of the 9-year-old's mother.

Dehring says the joyrides threaten public safety and must stop.