A judge, left, talks to competitors Ekkachai Tiranarat, center, and Laksana Tiranarat during the World's Longest Continuous Kiss Competition in Pattaya, southeastern Thailand, Thursday, Feb. 14, 2013. The event was held in an attempt to break the Guinness world record and to celebrate Valentine's Day. (AP Photo/Sakchai Lalit)

A general view showing the landslide on railway lines at Hatfield Colliery, Stainforth, South Yorkshire. The damage to the line in the Stainforth area is thought to have been caused by movement in a huge colliery spoil heap next to the railway. It has left some of the track almost at right angles to its normal position and around 20ft in the air. (Anna Gowthorpe/PA Wire)

TSSA handout photo of protestors at St Pancras Station in London as campaigners against high rail fares staged protests at more than 30 train stations nationwide today. Thursday February 14, 2013. The St Valentine's Day protest is being organised under the banner: "Love Trains: Hate High Fares". Protesters are calling on passengers to show their support for an "end to the era of runaway fares" by demanding MPs act to stop spiralling commuter costs. (Andrew Wiard/TSSA/PA Wire)

A Bahraini anti-government protester throw a stone toward riot police during clashes in Daih, Bahrain, on Thursday, Feb. 14, 2013, the second anniversary of the start of a pro-democracy uprising in the Gulf island kingdom. Protests began at daybreak in opposition areas nationwide as protesters attempted to return to the well-barricaded main site of the uprising. (AP Photo/Hasan Jamali)

Visitors attend the opening of the 17th Kimjongilia Festival on Thursday, Feb. 14, 2013, at the Kimilsungia-Kimjongilia Exhibition Hall, in Pyongyang, North Korea. Kimilsungia and Kimjongilia are flowers named after late North Korean leaders Kim Il Sung and Kim Jong Il. (AP Photo/Jon Chol Jin)

Olympic athlete Oscar Pistorius leaves the Boschkop police station, east of Pretoria, South Africa, Thursday, Feb. 14, 2013 en route to appear in court charged with murder. Olympic athlete Oscar Pistorius was taken into custody and was expected to appear in court Thursday, after a 30-year-old woman who was believed to be his girlfriend was shot dead at his home in South Africa's capital, Pretoria. (AP Photo/Chris Collingridge)

Hindu devotees bathe near Sangam, confluence of Hindu holy rivers of Ganges, Yamuna and the mythical Saraswati, at the Maha Kumbh festival in Allahabad, India, Thursday, Feb. 14, 2013. Millions of Hindu pilgrims are attending the Maha Kumbh festival, which is one of the world's largest religious gatherings that lasts 55 days and falls every 12 years. During the festival pilgrims bathe in the holy Ganges River in a ritual they believe can wash away their sins. (AP Photo/ Saurabh Das)

A woman shops for a Valentine's Day present in central Baghdad, Iraq, Thursday, Feb. 14, 2013. (AP Photo/ Khalid Mohammed)

Meerkats look at a beetroot flavoured love heart at Blair Drummond Safari Park near Stirling. Thursday February 14, 2013. (Andrew Milligan /PA Wire)

A Marmoset looks at a Valentine's Day card at Blair Drummond Safari Park near Stirling. Thursday February 14, 2013. (Andrew Milligan /PA Wire)

Activists dance in an event to support "One Billion Rising" global campaign in New Delhi, India, Thursday, Feb. 14, 2013. Flashmobs and rallies with singing and dancing were organized across the country as part of the campaign, timed to coincide with Valentine's Day, to bring an end to violence against women. (AP Photo/Altaf Qadri)

Alan McInnes reads out a statement at Central Scotland Police HQ about his missing teenage son David O'Halloran, as a fresh appeal was made today one month on since the student disappeared on a night out in Stirling.Thursday February 14, 2013. (Andrew Milligan /PA Wire)