The National Transportation Safety Board has been examining the battery from the Japanese Boeing 787 Dreamliner which was forced to make an emergency landing in Boston. Initial investigations show it was swollen from overheating. The battery will now be taken apart.
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The Westminster terror attack dominates the front pages of Thursday's newspapers.
A timeline of exactly what happened.
Tobias Ellwood, MP for Bournemouth East and Foreign Office Minister, attempted to save the life of the stabbed officer in Westminster.