Nigeria's Muhammadu Buhari edges ahead of President Goodluck Jonathan in early election counts, though key states are yet to declare.
The governor of Indiana strongly defends his contentious religious freedom law, amid a backlash from gay rights supporters, including some famous names.
Some of the biggest names in entertainment have re-launched the music subscription service Tidal, which they claim will change musical history.
The true story of this Syrian girl's 'surrender'
The man who gave his forgeries to museums - and fooled them
New clues to how whales communicate
The men who nearly died in a tank of melted chocolate
One villager still living on Ukraine's front line
A ray of light in Pakistan's drought-hit Thar desert
Rolling football news, including build-up to England's friendly against Italy, plus the best of social media.