Protests have taken place in more than 100 US cities, a week after George Zimmerman was cleared of murdering unarmed black teenager Trayvon Martin. Demonstrators demanded federal charges to be brought against Mr Zimmerman, 29, over the February 2012 incident. A Florida jury agreed that the neighbourhood watch volunteer killed the 17-year-old in self-defence. In comments on Friday, President Barack Obama admitted many black men in the US experienced racial profiling. Continue reading the main story Today it was my son. Tomorrow it might be yours” Sybrina Fulton Trayvon Martin's mother The protests against the court's decision were led by the National Action Network, headed by civil rights activist the Reverend Al Sharpton. "We are not coming out with violence, we are coming to denounce violence. The violence that was perpetrated on an unarmed, innocent man named Trayvon Martin," Mr Sharpton told at a rally in New York. Thousands gathered for "Justice for Trayvon" protests in at least 100 other cities across America, including Atlanta, Chicago, Los Angeles and Miami. Mr Sharpton told supporters on Saturday morning that he wanted to see the scrapping of "stand your ground" self-defence laws, such as that in force in Florida. Read more http://www.bbc.co.uk/news/world-us-canada-23390975