Preparations are seen ahead of British Home Secretary Theresa May launching her Conservative party leadership campaign at the IET events venue in Birmingham, England
An attendee wears socks in support of Hillary Clinton, former Secretary of State and presumptive Democratic presidential nominee, not pictured, ahead of a campaign event in Cincinnati, Ohio, U.S.
UKIP leader Nigel Farage arrives on his campaign bus in Ramsgate. Mr Farage will be spending the day driving around the region speaking to members of the public about the forthcoming EU referendum
Former mayor of London and Vote Leave campaigner Boris Johnson wears protective equipment as he visits Reid Steel during a campaign stop in
Christchurch, Britain, on Thursday
An attendee wears campaign buttons before the start of an event for Hillary Clinton, former Secretary of State and 2016 Democratic presidential candidate, in Louisville, Kentucky
An attendee with a campaign sticker on her phone takes video as Senator Bernie Sanders as he speaks during a rally at Boardwalk Hall in Atlantic City, New Jersey
Republican U.S. presidential candidate Donald Trump’s hand is seen as he reacts during a campaign event in Harrisburg, Pennsylvania
Democratic presidential candidate Hillary Clinton arrives at a campaign stop in Philadelphia
U.S. Democratic presidential candidate and U.S. Senator Bernie Sanders takes the stage at a campaign rally in Binghamton, New York
U.S. Republican presidential candidate Donald Trump reacts to supporters as he arrives to a campaign event in Radford, Virginia
Democratic presidential candidate Hillary Clinton walks on stage during a break as she debates with U.S. Sen. Bernie Sanders (I-VT) during their MSNBC Democratic Candidates Debate at the University of New Hampshire in Durham, New Hampshire. This is the final debate for the Democratic candidates before the New Hampshire primaries
A child sits on the ground and listens to U.S. Democratic presidential candidate Hillary Clinton speak to supporters during a campaign rally in Manchester, New Hampshire
Students and a women police officer dance as they take part in “One Billion Rising” campaign on a street in Chandigarh, India. One Billion Rising is a global coordinated campaign aimed to call for an end to violence against women and girls, according to its organisers
Myanmar opposition leader Aung San Suu Kyi greets supporters and Shan ethnic minorities on arrival at Tachileik airport in Shan State to campaign for National League for Democracy (NLD) on Wednesday
Democratic U.S. presidential candidate Hillary Clinton (L) arrives with Nevada State Assemblyman Nelson Araujo to purchase ice cream between campaign events in North Las Vegas, Nevada.
Ye Aung Thu/AFP
Kayan ethnic women wait for the arrival of National League for Democracy chairperson Aung San Suu Kyi during an election campaign rally in Demoso, Myanmar’s Kayah State on Thursday
UK Independence Party (UKIP) leader Nigel Farage reads a leaflet given to him by an anti-UKIP protester as he campaigns in Ramsgate in south east England on the eve of a general election in Britain.
Britain’s Prime Minister David Cameron walks back onto his Conservative Party campaign bus after a factory visit whilst campaigning in Pendle in northern England
Nicola Sturgeon, the leader of the Scottish National Party, launches her party’s final poster at a campaign event in Leith Walk Edinburgh, Scotland
Deputy Prime Minister Nick Clegg and his wife Miriam Gonzalez Durantez help make a crumble at Ivy Lane Primary School as he canvasses with local Liberal Democrat candidate for Chippenham Duncan Hames on Wednesday in Chippenham, England