Donald Trump: 'Florida An Amazing Night'

What's next for US Republican presidential candidate Donald Trump who's won three big primaries including the key state of Florida.

We'll go to Colombia to see how peace efforts between the government and rebels have changed life in the city of Barrancabermeja.

And authorities in Tanzania have detained some 500 suspected sex workers and nearly 300 of their alleged customers as part of a crackdown on prostitution.