The Israeli prime minister's spokesman has tweeted that Barack Obama has called Benjamin Netanyahu about the attack on a bus carrying Israeli tourists in Bulgaria that killed eight people and wounded dozens:
President Obama called PM Netanyahu and expressed his condolences over the deaths of Israelis in the terrorist attack in Bulgaria
PM Netanyahu and President Obama agreed that Israel and the US would work together in investigating the attack in Bulgaria.
PM Netanyaho to President Obama: "Iran is a global terrorism state. It must bear the consequences"
More top news
Nasa's Maven spacecraft enters into the orbit of Mars after a 10-month, 442 million-mile journey.
British actress Emma Watson called for more feminists in society and called upon men to promote gender equality in a speech at the weekend.
Twitter falls out of favour and Instagram makes ground in the 2014 CoolBrands UK survey.