It follows Friday's arrest of a 46-year-old man after attacks in Denbigh involving firework-like devices.
The operation followed a series of attacks involving what are thought to be homemade firework-type devices.
Hourly firework displays will mark the count down to 2013 as part of Edinburgh's Hogmanay celebrations.
BBC: Edinburgh Hogmanay: Hourly fireworks in countdown to 2013
The firework company behind the display is Kimbolton who did the Jubilee and Olympics 2012.
BBC: Edinburgh Hogmanay: Hourly fireworks in countdown to 2013
The firework manufacturer created displays for the 2012 Olympics and London's New Year's Eve celebrations.
The "major line of inquiry" is a firework display organised by Taunton Rugby Club.
BBC: M5 crash: Family's heartbreak for Tony and Pamela Adams
The Department of Trade and Industry is also reiterating the six-part firework safety code.
Never go near a firework that has been lit, even if it has not gone off.
To celebrate, the largest firework show the city has seen will happen at 20:13 GMT.
BBC: Londonderry City of Culture fireworks display for New Year
Obama's list also includes Firework by Katy Perry and James Taylor's Your Smiling Face.
Witnesses said that a flare or firework lit by band members may have started the fire.
More than 1.5 million people gathered around Sydney harbour to watch the city's famous firework display.
They opted to buy this particular firework because it was cheaper than the indoor-use kind, police said.
Botanists and gardeners run guided tours, and at nightfall visitors can watch an elaborate firework display over the Italian garden.
It followed the earlier arrest of a 46-year-old man after a spate of firework-like attacks in the town.
The city recently hosted the America's Cup World Series, the British Firework Championships and the British Art Show.
In November 2007, Lewis Colwell almost burnt down a house when he posted a lit firework through the letterbox.
The 184ft (56m) sculpture, designed to look like an exploding firework, is made up of 200 solid steel columns.
BBC: NEWS | UK | England | Manchester | 'Bang' sculpture spike falls off
The annual firework display held for several years near Norwich is to become a free event in the city.
The event was being followed by a midnight firework display on Tyneside's quayside.
Firework displays were also held in the Chinese cities of Beijing and Shanghai.
On 5 November the couple went to a firework display at the pub where Ms Mills worked, then went home.
Metropolis was tapped for the New York performances of "The Firework-Maker's Daughter" thanks to its long connection to Mr. Bruce.
WSJ: Metropolis Ensemble Offers an Opera for the Elementary Set
On Friday, police appealed for information after a firework was thrown into an unoccupied car parked in the Ely area of Cardiff.
BBC: NEWS | UK | Wales | Firework victim wants tighter controls
The two-day festival includes family fun days, magic shows, movies and live music, and culminates in a firework display on the river.
The dangers were highlighted at the weekend, when a nine-year-old boy was treated in hospital after a firework went off in his hand in Belfast.
BBC: NEWS | UK | Northern Ireland | Damage surges over Halloween
You take all this very sensitive, hi-tech work - very complex - and you put it on top of a big, big firework.
The police report published in March said dozens of eyewitnesses reported seeing the singer on stage holding the firework which triggered the blaze.
They spent time watching a movie before noticing a backpack containing firework shells, which had been emptied of powder, according to the affidavit.
From 21:00 on 31 December there will be a one-minute display on the hour until midnight where there will be a longer firework sequence.
BBC: Edinburgh Hogmanay: Hourly fireworks in countdown to 2013
应用推荐