Rescue workers are struggling to reach dozens of people trapped in the rubble of a factory that collapsed in eastern Pakistan.
Officials say 62 people, including women and children, were inside the factory when it collapsed.
At least four are believed to have been killed.
The factory, which manufactured medicine, had been set up illegally in a residential neighbourhood.
Authorities had closed it down three times, but locals claim the politician who owns it used his influence to keep it open.
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