Mr Trump told Fox News’ morning show former ambassador Marie Yovanovitch “didn’t want to hang my picture in the embassy” in Kyiv.
The president did not offer further details about the matter.
Ms Yovanovitch testified last week that she was fired over “false claims” by people with “questionable motives”.
She was one of 12 witnesses to testify over the last fortnight in the impeachment inquiry, which may seek to remove the president from office for alleged corruption.
Article URL : https://www.bbc.co.uk/news/world-us-canada-50520652