"Through weakness and incompetence, Joe Biden has brought us to the brink of World War III," Trump said.
"We’re at the brink of World War III, just in case anybody doesn’t know it.
And they're sending, frankly, terrorists, or terrorists are coming on their own, and we can't allow this to happen," Trump said.
At both stops, Trump singled out Hunter Biden, the president's son, for derision and appeared to blame the elder Biden for his adult child's problems.
The campaign stops Saturday follow a lull since Trump launched his campaign at his Mar-a-Lago resort in Florida in November.