An explosion on an offshore rig killed 11 workers and ruptured a deep-sea well head, which took 84 days to seal.

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The Lib Dems have said the contest - the first by-election battle of this Parliament where the two governing parties are going head to head - is close and they hope to "seal the deal" over the coming days.

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The governors and head teacher denied any blame for delay in work to seal or remove the asbestos.

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Helping to seal the deal was Jean-Jacques Aillagon, onetime cultural affairs minister under Chirac and head of Paris' signature modern art venue, the Centre Pompidou.

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The team checked the responses of seal mothers by recording the number of pup checks made (where the mother raises her head off the ground and moves it in the direction of her young to check their well-being) during a specific time period.

BBC: Seal pup