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We're on air, it's Wednesday and Peter Dobbie is hosting today's discussions. It's 100 days since our colleague Alan Johnston was abducted in Gaza, we've got dozens of messages of support for him from journalists and presenters around the world. We hope he's listening.

And as Nigeria grinds to a halt due to a nationwide strike over increases in fuel prices, Ghana is celebrating new oil reserves discovered earlier this week. We'll be hearing from Nigerians across the country about the impact of the strike and the test for the new government that it's seen to be. We'll also be asking Ghanaian oil - jackpot or jinx ? There are mixed reactions to the new find. What do you think?

Have your say - email us at worldhaveyoursay@bbc.co.uk, post your comments or follow the debate here on the blog, call us at +44 20 70 83 72 72 or text us +44 77 86 20 60 80.