Donald Trump expected to make VP announcement on Friday: Sources

Presumptive Republican presidential nominee Donald Trump is expected to announce his choice for running mate at a campaign event on Friday, campaign sources said on Tuesday (July 12).

Among the possible picks are former US House of Representatives speaker Newt Gingrich, Indiana Governor Mike Pence, New Jersey Governor Chris Christie and retired Lieutenant-General Michael Flynn, according to media reports and Republican sources.

"I have it down to five people," Mr Trump told Fox News on Tuesday.

MrPence introducedMrTrump at a campaign rally in Westfield, Indiana, on Tuesday evening.MrGingrich andMrChristie have also campaigned withMrTrump in recent weeks.

The Republican National Convention, whereMrTrump is set to be formally nominated as the party's candidate for the Nov 8 election, begins on Monday in Cleveland.

(RUETERS)