(FILES) In this file photo taken on December 14, 2017 a British one pound sterling coin is arranged for a photograph in front of a Union flag in London.  The British pound slid below $1.20 on September 3, 2019, for the first time since the start of 2017, as the UK faces a possible general election amid Brexit turmoil. Sterling hit $1.1972 around 0640 GMT, as British Prime Minister Boris Johnson faces a rebellion by his own lawmakers over his Brexit strategy that could result in an early general election next month. / AFP / Justin TALLIS
The British pound plunged on Tuesday after German Chancellor Angela Merkel said a Brexit deal was "overwhelmingly unlikely".  AFP 

British pound swings up at end of day of Brexit volitility