Indian shares opened lower on Thursday after the U.S. imposed an extra 25% tariff on Indian exports, stoking concerns over the economic impact of worsening bilateral ties.

NEW DELHI (AP) — U.S. President Donald Trump has vowed additional 25% tariff on India for its purchases of Russian oil, bringing the combined tariffs imposed by the United States on its ally to 50%. India has called the additional tariffs “unfortunate.”

President Trump vowed Monday to “substantially” jack up the US tariff on imports from India due to New Delhi’s continued purchase of Russian oil as Moscow’s invasion of Ukraine grinds