Dr Mahathir Mohamad and Pakatan Harapan supporters wave their mobile phone torchlights during a rally in Desa Pandan, Kuala Lumpur.
Despite the rain, the 1,500-strong crowd treated Mahathir like a star, chanting "We want Tun, we love Tun, long live Tun" and rushing towards the stage when he arrived.
In turn, he told the crowd display the same determination and brave the elements on polling day.
Malaysia goes to the polls on May 9.