An investigation is under way after a concrete block fell from a plane onto a tennis court on Tyneside.
Members of the public spotted an object falling from a light aircraft on Wednesday morning.
The one-foot square slab landed at Northumberland Lawn Tennis Club in Jesmond. No-one was hurt but children were playing a short distance away.
It was later identified as a tie-down block used as one of a pair to secure light aircraft at Newcastle Airport.
In a statement, the Newcastle International Airport said: "Northumbria Police made contact with air traffic control on Wednesday concerning a concrete block which had been recovered from the Jesmond area that morning.
"The object was subsequently identified as a tie-down block which is used to secure light aircraft on the apron.
"It is thought to have originated form a Piper Cherokee Aircraft which departed from the airport at 0920 BST.
"The Civil Aviation Authority has been notified and a full investigation will take place."
http://news.bbc.co.uk/1/hi/england/tyne/6643891.stm