Feb 18 (Reuters) - The world's biggest miner, BHP Group BHP.AX BHPB.L , reported on Tuesday a 39% jump in half-year profit, supported by an uptick in Chinese demand and high iron ore prices.
Underlying profit rose to $5.19 billion for the six months ended Dec. 31 from $3.73 billion a year earlier.
The company also declared an interim dividend of $0.65 per share.