Two men have been arrested on suspicion of conspiring to administer poison in connection with a spate of reported drink-spiking incidents involving needles in Nottingham.

Nottinghamshire Police said the men, aged 18 and 19, were arrested after receiving information from a member of the public on Wednesday, following a general appeal for help from a senior officer.

The force said both had been arrested “on suspicion of conspiracy to administer poison with intent to injure, annoy or aggrieve”, and they remain in police custody.

The arrests are not being linked to any specific allegation of spiking by a needle, or contamination of a drink.

Earlier, Lincolnshire Police said it had arrested a 35-year-old man at 3am on Friday in connection with an attempted drink-spiking at a nightclub in Lincoln.

The suspected offence “doesn’t involve a needle”, the force said.