Long term diabetic PATIENT with blisters walked barefoot few miles on hot sand. He presented with this clinical condition. What is the most probable diagnosis?

Necrotizing fasciitis In necrotizing fasciitis, necrosis of the subcutaneous tissue and fascia, with typical sparing of the underlying muscle Most common organism responsible for necrotizing fasciitis is Group A Beta Hemolytic Streptococcus- polymicrobial infection Severe pressure like pain out of propoion to visible signs distinguishes necrotizing fasciitis from cellulitis. Erythema, leukocytosis, and swelling are present in both cellulitis and necrotizing fasciitis