Police told The (Allentown) Morning Call (http://bit.ly/MFKX6o ) that the two were swimming in the Lehigh River in Lehighton at about 3:30 p.m. Friday when they were caught in a strong current.
Authorities said 49-year-old Wanda Wentz of Lehighton was pronounced dead shortly afterward at a Lehighton hospital.
First Deputy Lehigh County Coroner Eric Minnich told the paper that 7-year-old Nolan Richie of Coaldale died in Lehigh Valley Hospital-Cedar Crest at 1:05 a.m. Saturday.
He said the death was accidental and due to drowning in what he called "a terrible swimming accident."
The accident happened at a popular spot for kayakers and rafters near an old railroad trestle.
Information from: The Morning Call, http://www.mcall.com