** Australia's energy sub-index .AXEJ rose as much as 3.1%, their biggest intra-day percentage gain since March 19
** U.S. crude futures rebounded as markets reassessed geopolitical risks following signs the U.S.–Iran ceasefire was fraying amid Israel's escalation in Lebanon and renewed Iranian threats O/R
** Heavyweights Woodside Energy WDS.AX and Santos STO.AX advanced 4% and 2.3%, respectively
** Karoon Energy KAR.AX topped gains on the sub-index, last up 4.2%
** AXEJ up 30.7% this year, including the day's move
(Reporting by Roushni Nair in Bengaluru)
((Roushni.nair@thomsonreuters.com))