Cable climbs to 1.2530 as UK political event risk looms large for sterling

PM Johnson set to face confidence vote nL8N2XT0K5nL8N2XN32W

More: nL1N2XS04P. 1.2530 = intra-day high. 1.2477 was Asian session low

1.2486-1.2589 was Friday's range -- when USD rose on solid U.S. jobs data

See: nL1N2XQ16R. 1.2459 was last week's low (June 1, pre-UK holiday)

Hunt and Truss among likely candidates to replace Johnson if PM is ousted