Pan's world record break leads China to relay gold at swimming worlds

DOHA, Feb. 11 (Xinhua) -- Doha ushered in the opening day of the swimming events on Sunday night, marked by Chinese swimmer Pan Zhanle setting a new men's 100m freestyle world record.

In the men's 4x100m freestyle relay, Pan clocked 46.80 seconds, surpassing Romania's David Popovici's previous record of 46.86 seconds.

"I'm extremely happy. Breaking a world record brings joy to me, proving that the trainin