Sian Berry, from the Campaign for Better Transport, explains why it believes high air pollution levels could scupper the government's plans to upgrade the A14.
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More than 200 British paratroopers from Colchester-based 16 Air Assault Brigade jumped onto fields used 70 years ago by troops.
Mainly dry on Sunday in the Anglia region with some good sunny spells. One or two light showers are possible near coasts.
The Broads Authority wants to rebrand the area as a National Park