** Australian energy firms .AXEJ rise as much as 0.9% to their highest since February 7, 2024
** Sub-index tracks higher global oil prices, which gained after Donald Trump and Iran threatened to attack Middle East energy facilities, escalating war O/R
** Woodside Energy WDS.AX gains ~1.5%; smaller peer Santos STO.AX rises more than 1%
** Viva Energy VEA.AX gains 3%; top pct gainer on ASX 200 benchmark index .AXJO
** YTD, AXEJ up more than 30%
(Reporting by Rajasik Mukherjee in Bengaluru)
((Rajasik.Mukherjee@thomsonreuters.com))