BogotaColombia’s oil moratorium hangs on Sunday’s runoff.
Petro’s heir Cepeda backs the ban on new exploration; outsider De La Espriella, who led the first round 44%-41%, would reverse it.
US President Trump endorsed De La Espriella; results expected hours after polls close at 4 p.m. local time.
Sources: Reuters, Al Jazeera Online, cnbctv18.com, South China Morning Post