<span style="color: #222222;">Fighting erupted in Hong Kong's legislature today over proposed changes to the law allowing suspects to be sent to mainland China for trial. </span><br />'' <br />'' <span style="color: #222222;">Tensions boiled over with politicians swearing and jumping over tables in the chamber amid a crowd of reporters. Several lawmakers were injured in the clashes and one was taken to hospital. </span><br />'' <br />'' <span style="color: #222222;">Critics believe the proposed switch to the extradition law would erode Hong Kong's freedoms. But authorities say they need to make the change so they can extradite a murder suspect to Taiwan.</span><br />'' <br />'' <span style="color: #222222;">Under a policy known as "One Country, Two Systems", Hong Kong has a separate legal system. </span><br />'' <br />'' <span style="color: #222222;">Beijing regained control over the former British colony in 1997 on the condition it would allow the territory a high degree of autonomy, except in foreign and defence affairs for 50 years.</span><br />''