How to pronounce“heighted”in English

direction of the Islamic State which has demonstrated heighted activities not only in Europe but also in the US in the last year you talk about the the flag

economy is doing very well uh the B UK has not yet uh heighted interest rates and the new Bank of Korean Governor has said made it quite clear as well that

rbas has been skipping uh meetings in the sense that it hasn't heighted at every at every meeting giving the explanation that it probably wants to