A 16 years old having loose stool & fever for eight months. Her blood report is Hb 5.3, TLC 5300, Platelet 73000' GBP normocytic normochromic, fragmented RBC, anisocytosis poikilocytosis, 6/10 late normoblast, Urine 10_12RBC, Bilirubin 2 HbsAg, HCV negative.
What could be the cause of haemolysis and haematuria?