Dhaka, Feb. 19 -- Imranur Rahman, the fastest man in Bangladesh for the last three consecutive times, failed to retain the gold medal as he finished fourth in the final of his favourite 60-metre sprint of the Asian Indoor Athletics held in the Iranian capital Tehran on Monday.

The 30-year-old England-based Bangladeshi athlete Imranur brought a laurel for the country as the first Bangladeshi athlete to win the first-ever Asian gold medal in the 60-metre sprint of the 10th Asian Indoor Athletics held in Astana, Kazakhstan, in February last year.

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In the eight-man event's final on Monday, Imranur miserably finished fourth with a worse timing of 6.67 secon...