LAHORE: Punjab Chief Minister Shahbaz Sharif has sent a legal **tice to Pakistan Tehreek-e-Insaf Chairman Imran Khan asking him to apologise over the accusation that the Sharif brothers offered him Rs10 billion bribe for **t pursuing the Panama Leaks case. The **tice has been sent through Khwaja Haris, Advocate, to PTI Central ****** in Islamabad and Imran Khan’s Banigala residence. The **tice stated that if Imran Khan did **t tender an apology in 14 days, legal proceedings would be iniitiated against him.