M23 rebels tell me they are not armed by Rwanda. They say most of their weapons come from the Democratic Republic of Congo's own army, via Zimbabwe or elsewhere.
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Sadly, these high-school students have already received the most abrupt and cynical lesson of their lives.
A top temperature of 9 or 10 Celsius (48-50 F).
The poll comes ahead of a debate in the House of Commons on Friday on a new Bill which would introduce such a system in England.