The safe-haven dollar advanced broadly in early Asian trade on Monday, as peace talks between the US and Iran broke down and the US Navy prepared a blockade of Iranian ports. The euro was down 0.3% at $1.1684, while the British pound fell 0.5% to $1.3398. The risk-sensitive Australian dollar was 0.6% lower at $0.7030, and the New Zealand dollar was off 0.4% at $0.5816. US President Donald