Prisoners at Angola must receive special precautions on the 'farm line' in extreme heat above 88 degrees, Judge Brian Jackson ruled. Louisiana increased 'heat alert' thresholds to 91 degrees.

Vehicles enter at the main security gate at the Louisiana State Penitentiary — the Angola Prison, the largest high-security prison in the country in Angola, La., Aug. 5, 2008.

BATON ROUGE, La. (Louisiana First) — Attorneys representing Angola inmates assigned to prison farm work are once again asking a federal judge to order heat protections before the upcoming summer ...