Savannah River seals up 2 nuclear weapons reactors

AIKEN, S.C. (AP) — The U.S. Department of Energy has sealed off access to two reactors at a former nuclear weapons plant near the South Carolina-Georgia border.

Energy officials say the P and R reactors at the Savannah River Site were sealed off Wednesday with about 260,000 cubic yards of concrete grout.

The reactors have been shut down for more than …