- The spiders are usually coloured purple and black spiders
- They feast on insects and sometimes other spiders
- Female 'false widows' lay up to 120 eggs at a time
More top news
An investigation has begun after a teenager was stabbed in south London.
A dramatic blaze which tore through a building site in London's West End, prompting fears of an explosion, has been brought under control.
Childhood pursuits such as climbing trees or flying kites in public parks could soon attract hefty fines in one London borough.