Islamabad : Lawyers on Saturday marked the sixth anniversary of the sacking of chief justice of Pakistan (CJP) Iftikhar Muhammad Chaudhry by former president Pervez Musharraf on March 9, 2007. Lawyers boycotted courts and observed March 9 as a black day across the country. Black flags were hoisted in bar rooms while several resolutions, expressing solidarity with the CJP were passed.