A second man has now been arrested in connection with an explosion which tore through a block of flats in Skelmersdale.
It followed a police appeal for help in locating Robert Nolan, 40, from Skelmersdale, as part of the investigation into the incident. A 40-year-old man has now been arrested on suspicion of producing a controlled drug, and has since been released on bail pending further enquiries.
Police are continuing to appeal for witnesses and footage in relation the explosion, which occurred at an address on Tanfields in Skelmersdale at around 6.07pm on Tuesday (May 17).
READ MORE : Mum's warning after boy makes new 'friend' in their garden
Five people managed to get out of the building before emergency services arrived. Fortunately, none of them were seriously injured.
A man later attended Ormskirk Hospital with burn injuries which are not life-threatening.
Lancashire Police said they were keeping an open mind as to the cause of the explosion and at this stage it is being treated as unexplained.
A 29-year-old man from Darlington was arrested last week on suspicion of production of a class B drug and causing an explosive substance likely to endanger life or cause serious injury.
DC Sean Reddington, of South CID, said: "This incident has caused significant damage to the properties and left a number of people displaced.
"Our investigation is very much ongoing to establish the cause of the explosion and we would ask people to check any footage – mobile phone, CCTV, dashcam or doorbell – that they may have covering the area to see if they have captured anything which could assist us in our enquiries.
"We would also like to speak to anyone who saw anything suspicious earlier in the day of the incident or in the period directly after the explosion. We also want to hear from anybody who saw any suspicious vehicles in the area in the days before the explosion.
"Whatever information you have, please get in touch."
To uploaded footage click here. Anyone with information is asked to email 2340@lancashire.police.uk or call 101, quoting log 1311 of May 17, 2022.