I’d try to use traditional cut nails to attach the 1-foot pieces of plywood to the concrete block. Be sure to nail into the horizontal mortar joints that are between the layers of block.

Smugglers based in Mexico are reportedly using power tools to cut large holes in walls at the southern US border, according to a new report from The Washington Post.; A commercially available ...

Smugglers breached the wall's bollard steel and concrete sections using reciprocating saws, allowing drugs and people to pass through from Mexico, the Post reported, citing U.S. agents and officials.

AN ENGLISH town’s war over “Berlin Wall 2” has taken another twist after the 6ft concrete barrier has now been “cut off” to locals. The towering wall built between the… ...

USED CAN OPENER ON JAIL.; Prisoners Cut the Tin Walls, Which Only Looked Like Concrete. Share full article. Special to The New York Times. Aug. 22, 1908; ...