A "hidden mob", which swelled to 4,000 to 5,000 people, indulged in "minor clashes" with police in Seelampur on Tuesday, officials said, asserting that the situation was brought under control soon.
Some people were supposed to stage a protest against the amended Citizenship Act at Jafrabad at around 2 pm but people gathered between 1 pm and 1.15 pm at Seelampur point and were stopped by police, they said.
"A hidden mob, without any prior information, marched to Seelampur point. It swelled to 4,000-5,000 people. They were peaceful for about 30 minutes. But after that they indulged in minor clashes," an official said.
The situation was brought under control soon and has improved, they said