Prime Minister Narendra Modi on Friday expressed deep sorrow over the tragic midair collision between an American Airlines plane and a U.S. Army Black Hawk helicopter in Washington DC. He extended condolences to the victims’ families and affirmed India’s solidarity with the United States.

Officials reported on Thursday that all 64 people aboard the commercial aircraft were feared dead, making it one of the worst aviation disasters in the U.S. in nearly 25 years.

Reacting to the incident, PM Modi posted on social media, “Deeply saddened by the loss of lives in the tragic collision in Washington DC. Our heartfelt condolences to the families of the victims. We stand in solidarity with the people of the United States.” He also tagged U.S. President Donald Trump in his message.

Further updates on the incident are awaited as investigations continue.