World leaders, including US President Donald Trump and French President Francois Hollande, today voiced their determination in combating terrorism and expressed full solidarity with the UK, jolted by the London terror attack. <br/><br/>A lone attacker was shot dead after he used a car to run down pedestrians, killing two, and stabbed a police officer to death outside the British Parliament yesterday. The Islamic State has claimed responsibility for the attack.<br/><br/>President Trump spoke by phone to Prime Minister Theresa May to offer his condolences and to praise the effective response of UK security services. Trump pledged the full co-operation and support of the US government in bringing those responsible for the attack to justice.<br/>French President Francois Hollande expressed his solidarity with the British people, saying terrorism concerns us all and France knows how the British people are suffering today.<br/><br/>German Chancellor Angela Merkel, whose country saw a lorry attack in December that killed 12 people in Berlin and was also claimed by IS, said her thoughts are with British friends and all of the people of London.<br/><br/>Belgium's Prime Minister sent a message of support as his country yesterday marked the first anniversary of the suicide bomb attacks on the Brussels airport and underground system, which killed 32 people.<br/><br/>Russian President Vladimir Putin also sent condolences by telegram to Prime Minister May, expressing support for the bereaved and wounded.<br/><br/>Canadian Prime Minister Justin Trudeau said in a statement that it was an attack on democracies around the world and Canadians stood united with the British people in the fight against terrorism.<br/><br/>Australian Prime Minister Malcolm Turnbull said it was an attack on parliaments, freedom and democracy everywhere and offered his support and solidarity to the British government.<br/><br/>European Commission President Jean-Claude Juncker said that the people of Brussels and Belgium had suffered a similar pain and felt the support of your sympathy and solidarity.<br/><br/>Chinese President Xi Jinping, in a message of condolences to British Queen Elizabeth II, said that terrorism is the common enemy of the international community.<br/><br/>Dutch Prime Minister Mark Rutte said his thoughts are with the British people.<br/><br/>Spanish Prime Minister Mariano Rajoy tweeted solidarity with the victims and sent a telegram to Prime Minister May offering condolences.