WASHINGTON (AP) — President Donald Trump said Monday that his acceptance speech for the Republican presidential nomination will be held at either the White House or the Gettysburg battlefield, as he searches for a symbolic substitute for his virus-scuttled plans for an arena celebration.

The president's initial hopes for the event to be a four-day infomercial for his reelection bid have been steadily constrained by the coronavirus pandemic, culminating in his decision last month to cancel nearly all of the in-person proceeding. In recent weeks, Trump and his aides have looked for alternatives...