The 22-year-old was taken into custody when officers kicked the door of a house on King Street at 4 p.m. on Friday and discovered cannabis and suspected cocaine.
A man was arrested after drugs and fireworks were found during a police raid on a house in Rock Ferry.
He was arrested on suspicion of drug possession with intent to supply Class A and B drugs and conspiracy to commit crimes.
He was taken to a police station for questioning.
He was arrested on suspicion of possession with intent to supply Class A and B drugs and conspiracy to commit criminal acts.
There was also a considerable amount of fireworks in the house.
“A 22-year-old man from Rock Ferry was arrested on suspicion of possession with intent to supply Class A and B drugs and conspiracy to commit criminal damage.
In a statement a Merseyside police spokesman said: “We arrested a man in Rock Ferry this afternoon, Friday 30 October, and seized fireworks and drugs.
“Around 4pm, officers executed a warrant at an address in King Street and found a substantial amount of fireworks, cannabis and suspected cocaine.
“He was taken to a police station for questioning.
“An investigation is underway and anyone with information is being asked to contact him.
said Chief Inspector Peter Clark: “A large quantity of fireworks and drugs, both of which have the potential to cause extreme damage, were confiscated tonight and fortunately prevented from reaching our streets.
“Throughout Halloween and bonfire night, we will continue to respond to any information from the public and take decisive action where necessary.
“We want to ensure the safety of our communities and bring to justice those who seek to cause fear and harm.
Anyone with information is asked to contact @MerPolCC, 101 or Crimestoppers anonymously at 0800 555 111.
“If you have information about the illegal storage or use of fireworks, the supply of drugs or crime in your area, please contact @MerPolCC, 101 or Crimestoppers.