A Pakistani court on Saturday summoned four witnesses for cross examination in trial of seven Pakistanis, including lashkar-e-Taiba commander Zakiur Rehman lakhvi, charged with involvement in the Mumbai attacks, for July 6. Judge Kausar Abbas Zaidi of The Anti-Terrorism Court, Islamabad, said he would hold the hearing next week within the closed doors of Adiala Jail in Rawalpindi. Sources said the judge had refused to hold the hearing in Islamabad till the Nawaz Sharif government provided him a ‘foolproof security' from his residence to to a newly established anti-terrorism court in Islamabad.