Clues:
It’s big
It was in the sky
It was above Bolton
It’s blue and yellow

was it a giant gorilla?

Surprisingly close but no cigar.

Sergio Agüero’s foot after his stupid accident?

An Ikea Zeppelin?

Nope.

Could have been.

But it wasn’t.

Was it this?

Boo!
🙁

Er, no. It was flying.

This?

Baby Robin?

eat-more-cheese sadly not that. it was flying a good deal slower than that could.
Drac – thank **** it wasn’t that!

This?

Goodyear airship/blimp whatever?

i need one of those gorillas ^^^^^

Tony M and big bloke – correctimundo!

It seems to be doing a tour and mooching about over various football grounds at the mo (e.g. Old Trafford last Monday, according to my local source).

It was spotted from the Coop tower in Manchester this afternoon

One of those lives down the road from me.

LeeW – Wolverhampton way by any chance?

Aye, about 8 miles further south. It lives at Bobbington.