Why does Karachi desperately need a coronavirus lockdown?

JDC Foundation chief Zafar Abbas, Sindh govt spokesperson Murtaza Wahab talk about current Karachi COVID-19 situation on Aaj Shahzeb Khanzada Kay Sath

source https://www.geo.tv/latest/362338-why-is-there-a-two-week-coronavirus-lockdown-in-karachi