A patient underwent LSCS for arrest of second stage of labour. A lateral extension of an angle of uterine incision occurred during delivery of head which was secured. Post operatively after 2 hours patient develops pallor, abdominal distension with tachycardia. Hb dropped from 10 gm% (pre op) to 6.5 gm%. Pelvic exam revealed mild PPH. Next step in management is?