Pakistan's ousted Prime Minister Imran Khan has attended a rally in Rawalpindi - his first public appearance since being shot and injured.

Large crowds gathered to listen to his address, in which he repeated calls for an early election.

Authorities put up roadblocks and had urged Mr Khan to call off the rally, citing the risk of violence.

One person was killed and several others injured during the attack three weeks ago.

It happened as Mr Khan led a march, which was meant to end in the capital, Islamabad.

Mr Khan himself was injured in his right leg and underwent surgery.

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