"SP is to blame for the present situation in UP," he told reporters at party headquarters here.
Singh said whenever SP is in power in Uttar Pradesh, the state suffers from poor law and order situation and tensions.
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Parliament also witnessed uproar over the VHP yatra with BJP MPs decrying the UP government's decision to arrest hundreds of saints to foil VHP's 84 kosi parikrama yatra.
SP members stoutly defended their government's decision and accused BJP of indulging in communal politics ahead of general elections scheduled for early next year.