LAHORE Complaining about non-cooperation by the authorities concerned the prosecution lawyers have refused to appear in the Sialkot case of public killing of two brothers. Ehtesham Qadir Qadri and Khawaja Sultan advocates were engaged to appeal before the Lahore High Court to seek cancellation of the bail earlier granted to DPO, Waqar Chauhan in the said case. However, the said counsels declined to appear in the case owing to non-cooperation by the relevant authorities, it has been learnt.