Denham Springs police arrested a Walker man Tuesday on one count of first-degree murder in a Saturday night shooting.

Timothy Demetre Clayton, 18, of 13133 Browden St., Walker, was picked up around 1 p.m. Tuesday, said Denham Springs police Detective Glenn Lemoine.

Officers believe he fatally shot Brandon Pernell Jones, 29, on Summers Street around 10 p.m. Saturday.

Police have not determined a motive in the killing, Lemoine said.