Alvi to be held accountable if Bilawal's claim on canals proven: PTI MNA / Arif Alvi planted seed of controversial canals: Bilawal / New canals only after consensus, decides CCI / Lawyers call off Sindh sit-ins after canals project scrapped / CCI rolls back plan to construct new canals amid protests / CCI endorses govt move to halt contentious canals project until 'mutual understanding' among provinces / Trump calls for 'free' passage for US ships in Panama, Suez canals / CCI meeting to decide canals issue to be held today: Sharjeel Memon / Canal protests continue to hinder movement of goods / 8 wounded as police, protesters clash near Karachi's Gulshan-i-Hadeed over canals project