From the section Image copyright Google Image caption A 100m cordon has been put in place around Netley Household Waste Recycling Centre A recycling centre was evacuated after a suspected hand grenade was discovered by staff, police say. Bomb disposal experts were called to the Netley Household Waste Recycling Centre, near Southampton, Hampshire police said. A 100m cordon was put in place around the centre, in Grange Road, after police were called shortly after 13:40 BST. Police said the device was then removed and the cordon lifted at 15:40 BST.

Based on the paragraph above can we conclude that "The bomb was just a toy"?
It's impossible to say