Thousands of supporters of Pakistan’s jailed former Prime Minister Imran Khan marched on the capital Islamabad this week, breaking through barricades and clashing with police in response to his call for a sit-in protest.

Here is a look at what led to the protest and this chapter of political rallies in Pakistan:

WHAT DO PROTESTERS WANT?

Topping the demands of Khan’s Pakistan Tehreek-e-Insaf (PTI) party is the release of all its leaders, including Khan, who has been jailed on a series of corruption charges since August 2023.

They also seek the resignation of the current government over what they call rigged general elections this year.

PTI supporters from across the country, including Khan’s wife Bushra Bibi, have marched on the capital, with large numbers coming from the party’s stronghold in the northern province of Khyber Pakhtunkhwa.

They have vowed to enter the capital and rally at a public square near parliament that is a popular protest site, holding what leaders have called a “do or die” sit-in.

HOW HAS THE GOVERNMENT RESPONDED?

Prime Minister Shehbaz Sharif’s government has given no indication yet of bending to the demands. Authorities have used shipping containers to block major roads and streets in Islamabad, with police and paramilitary patrolling in riot gear.

Mobile Internet links are down and schools have been closed for several days in the capital and the nearby garrison city of Rawalpindi. Gatherings have been banned in Islamabad.

WHAT HAS HAPPENED SINCE THE MARCH BEGAN?

Thousands of supporters clashed with police and paramilitary troops on the weekend, as they tried to enter Islamabad.

Both sides have reported injuries and the prime minister’s office said members of the paramilitary were killed when they were run over by a car in the protest convoy. The interior ministry put the number of those killed at four.

WHERE DO THE PROTESTERS WANT TO GO?

The marchers aim to reach the roundabout near parliament that has long been a rallying point for protests and sit-ins that have marked Pakistan’s turbulent politics for decades.

The site is in Islamabad’s heavily fortified red zone, home to parliament, key government installations, luxury hotels, embassies and the offices of foreign organizations.

WHAT IS THE HISTORY OF POLITICAL PROTEST IN PAKISTAN?

Stormy politics and unrest during Pakistan’s 77-year history have included protests and sit-ins by opposition parties.

Khan led one of Pakistan’s largest sit-ins in 2014 when his supporters protesting against the PML-N government occupied the roundabout site for 126 days.

PTI supporters last marched on Islamabad in October, sparking days of clashes with police that killed one officer.

ISLAMABAD: Pakistan Naval Chief Admiral Naveed Ashraf said this week that the country is building its first indigenously designed frigate-sized warship called “Jinnah Class Frigates” to address the challenges presented by the prevalent multi-threat maritime environment. 
A frigate-sized warship is a multi-mission naval vessel, typically 100-150 meters in length, with a displacement of 2,000-4,000 tons. Frigates are designed for surface warfare, anti-submarine warfare, and have air defense capabilities. They are equipped with a mix of guns, missiles, torpedoes, and anti-submarine rockets. 
Pakistan has been attempting to bolster its naval capabilities through the induction of advanced warships. Recently, it inducted PNS Babur and PNS Hunain, two state-of-the-art vessels, into its fleet. These warships are part of a broader effort to enhance the country’s maritime security and operational readiness. 
In an interview with Naval News website on Monday, which covers naval defense and technology, Pakistan Navy chief Admiral Ashraf highlighted that the Pakistan was focusing on inducting modern platforms, force multipliers, and indigenization apart from ensuring a variety of options to reduce reliance on external sources.
“Based on experience gained during the construction of MILGEM Class Ships, the Pakistan Navy is planning to build JINNAH Class Frigates which will be our first ever indigenously designed and built frigate-sized warship,” he said. 
The report said Pakistan inducted Type 054 A/P Frigates from China, OPVs Batch-1 and Batch-II from Romania, and MILGEM Class Corvette from Turkiye, adding that these will add to the navy’s existing defense capabilities.
PNS Babur, constructed in Turkiye and PNS Hunain, an offshore patrol vessel from Romania, are equipped with cutting-edge technology to address both surface and air threats. 
“Pakistan Navy is in the process of inducting the remaining MILGEM class ships as two of these ships are being constructed indigenously in Pakistan (KS&EW),” the naval chief was quoted as saying. 
“Our development strategy is based on ‘progressive capability enhancement’ to create a balanced, potent, and combat-ready force to deal with the evolving threats through the acquisition of force multipliers, and indigenous and innovative technical solutions.”