Is it a bird? Is it a plane?  Not quite.  A large block of ice is thought to have fallen off an aeroplane before landing in a family garden in East Renfrewshire.  And the ice made quite an impact, creating a large crater and causing an “almighty bang” when it hit the lawn of Lyndsey Helliwell’s garden in Busby.  Luckily no one was outside at the time.  Ms Helliwell, who lives at the house with her husband and two daughters aged nine and 13,  picks up the story, “I came back at about 11 o’clock to find this huge crater in my garden.  My friend had called me.  She works for my husband, from the house.  She said she heard an almighty bang and felt the house shake and looked out the window and saw white fragments spread across the garden.  When I came back we realised it was ice… I’ve no idea where it has come from.”  Here’s one theory Ms Helliwell.  Ice can form around the body of an aeroplane if water leaks at high altitudes.  It then freezes due to sub-zero temperatures.  “It’s made a huge dent in the garden, but it could have hit the house or the cars, or more importantly it could have hit one of the kids, or the dog.  Thankfully no-one was hurt.” Phew could have knocked someone’s block off.