• AUD/USD +0.4% from Mon 0.7135 low, but Middle East tensions still weigh

• Tasnim news agency says Iran has stopped message exchanges with U.S.

• Trump claims 'talks are continuing, at a rapid pace' with Iran

• RBA monetary policy board external member Ian Harper speaking 0030 GMT

• AUD remains fragile, likely to fade towards 0.7080 support zone

• AU Q1 current account due Tue, Reuters poll consensus 23.2 bln deficit

• RBA officials Bullock & Kent to appear before Senate Committee Wed

• Overnight range 0.7135-86, support 0.7080 0.6834, resistance 0.7200 0.7283
AUD Hourly Bollinger Study & DXY Daily 55-DMA

(James Connell is a Reuters market analyst. The views expressed are his own.)