Event: Pakistan Day parade
City: Islamabad & Rawalpindi
Timing: 8 am to 1 pm
Details: Mobile services were suspended in some parts of Islamabad in the wake of Pakistan day parade in Parade ground, Islamabad. Due to the suspension of mobile services, online cab services were also remained suspended in twin cities.
Source: https://www.researchsnipers.com/careem-and-uber-services-will-suspend-on-23rd-march-2018/