• Cable falls to 1.3427 as safe-haven dollar strengthens on news from Iran

• Iran is stopping message exchanges with U.S. through mediator, agency says

• 1.3427 is intra-day low (1.3409 was Friday low). 1.3475 was Ldn am high

• Government bond yields rise on Iran news; 2-year gilt yield up 8 bps on day

• BoE is watching public-sector pay for inflation risk, governor Bailey says

• Burnham remains the odds-on favourite to be UK Labour Party's next leader

GBPUSD


(Robert Howard is a Reuters market analyst. The views expressed are his own)