BHP Group (ASX: BHP) has made another approach to buy Anglo American (LON: AAL) despite the London-listed miner’s proposed merger with Canada’s Teck Resources (TSX: TECK.A/TECK.B), according to reports.On Sunday, Bloomberg News reported that BHP, the world’s largest mining company, has reignited its interest in buying Anglo despite walking away from a potential deal last year and stating many times that it would not re-enter the frame again. That report was later followed up by Reuters.BHP’s approach comes ...