British Minister for the Middle East Hugh Robertson on Saturday said his government condemns the violence in Tripoli, capital of Libya, where dozens of people were killed yesterday. "We urge all parties to exercise restraint and to refrain from further violence. We send our condolences to the families of the victims and call on the Libyan authorities to bring those responsible to justice," Robertson said in a press release here . "The British Government reiterates its support for the Libyan authorities in rebuilding its security structures and in furthering its transition to democracy. It is essential that all armed groups integrate fully into state structures or put down their weapons and return to civilian life. "We urge the Libyan people to work together to fulfil the aims of the 17 February Revolution and we stand alongside them as they strive to build a more peaceful, secure and prosperous Libya," he added.