The wall along the southern border will be painted black in an effort to make the structure too hot to climb, Department of Homeland Security Secretary Kristi Noem announced Tuesday, saying the suggestion came from President Donald Trump.

WASHINGTON — Homeland Security Secretary Kristi Noem said Tuesday that the entire border wall along the southern border with Mexico is going to be painted black to make it hotter and deter illegal immigration — and she credited President Trump with the idea.

Homeland Security Secretary Kristi Noem announced on Tuesday that the entire southern border wall will be painted black as part of the Trump administration’s efforts to increase the effectiveness of the wall as a deterrent.