LGIM is among Anglo's biggest investors with a stake of about 2%.

BHP faces a critical question: what would it take to draw the smaller company to the negotiating table within the next few days? 

Anglo American has turned down BHP’s bids twice since April 25, stating the offers continue to considerably undervalue the company.

The portrait is displayed alongside that of 20 other famous people in a single exhibition at the National Gallery of Australia.

In January, AustralianSuper said it would double its lithium exposure in the next five years.

Shareholders in both companies interviewed by Bloomberg said there was still likely to be some room for a sweetened offer before a May 22 cut-off.

The Indian mines ministry is also encouraging other state-owned companies to scout for critical minerals overseas.