Lucknow, Aug. 5 -- The arrest of deceased mafia-turned-politician Mukhtar Ansari's younger son Umar Ansari in a forgery case sparked a political controversy on Monday, with the opposition SP alleging that Umar was taken into custody as the BJP wanted to affect the upcoming Mau Sadar assembly bypolls. Umar, arrested on Sunday, is accused of forging the signatures of his mother Afsha Ansari and submitting it to the court to reclaim his family's Rs.10 crore attached property. The Mau Sadar seat fell vacant after the conviction of Umar Ansari's elder brother Abbas Ansari by a special MP-MLA Court in a hate speech case on May 31. While SP spokesperson Ameeque Jamei alleged Abbas was "framed" and Muslim MLAs are being targeted by the BJP, state B...