Armed police have been patrolling the area of Luton, where a teenage boy was shot at the weekend.
The 16-year-old was gunned down early on Saturday morning. He remains in a serious condition.
A one-thousand-pound reward is being offered for information.
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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