Trump traveled to Pennsylvania to tout new corporate investments in energy and technology, some of which predate his tenure.

Donald Trump has claimed more than $90bn in investments in the battleground state of Pennsylvania on Tuesday, as he sought to deliver on his economic promises and turn around his faltering approval rating.

The president traveled to Pittsburgh at a summit that included dozens of top executives from companies aiming to make the state a hot spot for advancements in robotics, artificial intelligence, and energy.