ISLAMABAD - Federal Investigation Agency that is probing cases of financial irregularities and tax evasion against Pakistan Awami Tehreek (PAT) chief Dr Tahirul Qadri and the institutions being run under his organization has written separate letters to Interpol and British authorities to get the details of his assets and accounts abroad.It is apparent that the government has decided to tighten the noose around Dr Tahirul Qadri as FIA has sped up its investigations asking the details of assets and accounts details of Dr Qadri and different institutions being run under a trust founded by him from different international and national agencies.An official of FIA said that FIA has written two separate letters to Interpol and National Crime Agency, UK, asking them to give the details of assets and accounts of Dr Qadri and his organizations abroad. The letter says that Dr Qadri tried to overthrow an elected government through a protest sit-in in Islamabad on January 13, 2014 and that prolonged for four days. It says that the chief of PAT wants to do the same again now. It further says that the sit-in of Dr Qadri parlayed the whole life of the capital and the government is facing such threats from him now. It says that FIA was investigating cases of financial irregularities and tax evasion against him.FIA in the letters has accused Dr Qadri of his alleged involvement in money laundering and said during the years of 2011 to 2014, heavy amounts of money were transferred to various accounts registered under the name of the Minhajul Quran Secretariat in Lahore. FIA in the letters has also claimed of having knowledge of Minhajul Quran secretariats operating in Houston, US and in Frankfurt, Germany.The FIA has also written a separate letter to Punjab DG Social Welfare questioning under which laws the Minhajul Quran Secretariat is allowed to operate. The official also informed that FIA has written a separate letter to State Bank of Pakistan to conduct an audit of Idara-e-Minhajul Quran of DR Qadri. A similar letter has been written to FBR to see tax details of employees of Idara-e-Minhajul Quran.This news was published in The Nation newspaper. Read complete newspaper of 12-Jul-2014 here.