India Prime Minister Narendra Modi appealed for peace in Delhi on Wednesday after days of violent clashes between Hindus and minority Muslims over a citizenship law left at least 20 people killed.

Modi, breaking silence over the violence, said it was important that calm be restored to the capital city of more than 18 million people.

Had an extensive review on the situation prevailing in various parts of Delhi. Police and other agencies are working on the ground to ensure peace and normalcy.

— Narendra Modi (@narendramodi) February 26, 2020

Peace and harmony are central to our ethos. I appeal to my sisters and brothers of Delhi to maintain peace and brotherhood at all times. It is important that there is calm and normalcy is restored at the earliest.

— Narendra Modi (@narendramodi) February 26, 2020

The sectarian violence in a mixed neighborhood of Delhi, which coincided with a visit to India by U.S. President Donald Trump, erupted between thousands demonstrating for and against the new citizenship law introduced by Modi’s Hindu nationalist government.