News

Heat health alert issued for London

Warning issued by London Fire Brigade as temperatures rise into the low 30s today

Grass fire (credit LFB)

Firefighters are urging Londoners to act safely and responsibly this week after the first heat health alert of the year was issued for the capital. 

The alert, issued by the UK Health Security Agency and Met Office, is a response to temperatures reaching over 30 degrees Celsius.

This week, people are expected to flock to London’s numerous parks and open spaces to enjoy the sunshine. During this spell of how weather, London Fire Brigade is reminding everyone of the increased risk of barbecues – both outdoors and at home. 

As a result, firefighters are asking the public to follow crucial safety advice that will help protect themselves, others, the environment and their property.  

London Fire Brigade assistant commissioner for prevention and protection, Craig Carter, said: “We know many Londoners will want to enjoy the nice weather by visiting a park or open space. However, we’re asking people not to take disposable barbecues with them as they can cause grass fires, especially in hot weather when the ground is dry. These fires are unpredictable and can spread rapidly, causing a significant amount of damage.

“Don’t be tempted to barbecue on your balcony either. Balconies can contain combustible materials which can pose a risk to those barbecuing and others living nearby.

“If you are having a barbecue, never leave it unattended and be careful where it’s positioned. Aim for level ground and keep barbecues well away from anything flammable like sheds, fences, trees or tents.”

Disposable barbecues pose a significant fire risk if they are not used appropriately and put out properly, while the heat can be retained for many hours even after a barbeque has been put out.  


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Many of London’s parks and open spaces have bans in place on disposable barbecues, which are enforced by the relevant local authority.

As well as disposable barbecues, discarded smoking materials and leftover rubbish also pose a huge fire risk. 

People are asked to ensure their rubbish is placed securely inside a bin or to take it home with them. If you have had a cigarette, please make sure that it is completely out.  

London Fire Brigade has already attended more than 30 incidents involving people in the water in 2024, with concerns this number could spike over the school holidays. 

Craig added: “While it might be tempting to go into water to cool off from the heat, we’re asking people to think carefully.

“Despite the warm weather, London’s waterways are still cold enough to put a person into cold water shock which can affect anybody, no matter their fitness. It causes panic, anxiety, disorientation and loss of muscular control, which causes a person to gasp for air – inhaling water as a result.

“Rather than struggling, people are encouraged to ‘float to live’. Tilt your head back with your ears submerged. Try to relax and breathe normally. You can gently move your hands to help you stay afloat if you need to. Spread your arms and legs out to improve stability – and it’s okay if your legs sink, we all float differently. Once your breathing is under control, call for help or swim to safety.

“Use life jackets when taking part in water sports and don’t jump into the water. We’re not here to spoil anyone’s fun – but there is a very real risk when it comes to London’s canals, waterways and the Thames.”


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