Thousands of Imran Khan supporters have begun a trek to Islamabad to demand he be freed as Pakistan's political leadership remains in deadlock. Supporters of Imran Khan, Pakistan's former prime minister, have started a march towards the capital Islamabad to demand his release from prison. Key points and original sources are listed below.

• Thousands of Imran Khan supporters have begun a trek to Islamabad to demand he be freed as Pakistan's political leadership remains in deadlock. The government has set up roadblocks to keep protesters at bay.S1

• Supporters of Imran Khan, Pakistan's former prime minister, have started a march towards the capital Islamabad to demand his release from prison.S2