Karachi, Aug. 14 -- Tensions within Pakistan's ruling coalition surfaced on Wednesday as Pakistan Peoples Party (PPP) Chairman Bilawal Bhutto-Zardari publicly criticised Pakistan's Prime Minister Shehbaz Sharif for failing to deliver on development promises in Karachi, accusing him of applying a double standard between the provinces of Punjab and Sindh, Geo News reported, citing The News.

According to Geo News, Bilawal was speaking at the inauguration of the new Hub Canal near Karachi, where he mocked Shehbaz's widely touted "Shehbaz speed", known for rapid development in Lahore, while saying that Karachi had instead been subjected to "Shehbaz slow".

The PPP chairman's remarks have exposed a friction within the coalition government, whe...