Senate on Friday deferred the ratification of 20th Amendment during its session featuring debate on the bill. Awami National Party (ANP) and Jamiat Ulema-e-Islam-Fazl (JUI-F) staged walkout from senate during the debate on 20th Amendment. Sources said that two parties walked out from Senate responding to the demand from Interpol to arrest a Khyber Pakhtunkhwa minister. The name of the minister is not clear yet.