Two teenagers were arrested after two men were stabbed following a "scuffle".
Emergency services were alerted just after 3.50pm after reports two men had been attacked in Glover Place, Bootle.
Police said a 45-year-old man and 63-year-old man had "become involved in a scuffle" with two other men.
One man is reported to have been stabbed in the back while another man is said to have suffered a cut on his arm.
Police said the injuries were "consistent with a bladed weapon being used."
Two men aged 18 and 19 - both from Bootle - were arrested on suspicion of Section 18 wounding.
They have been taken to police stations for questioning as the investigation continues.
Yesterday police sealed off the entire street and officers were seen guarding a house with a number of police vehicles at the scene.
A spokesperson for Merseyside Police said: "Detectives investigating a stabbing in Bootle yesterday afternoon (Monday 10 May) have arrested two men.
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"We were contacted at just after 3.50pm following reports two males had been assaulted in Glover Place in Bootle.
"A 45-year-old man and a 63-year-old man had reportedly become involved in a scuffle with two males and suffered injuries consistent with a bladed weapon being used.
"Both have been treated for minor wounds and are recovering.
"Following enquiries, a 19-year-old man and a 18-year-old man, both from Bootle, have been arrested on suspicion of Section 18 wounding.
"They have been taken to police stations for questioning and our investigation continues."
Anyone with information is asked to DM @MerPolCC, 'Merseyside Police Contact Centre' on Facebook, or 101 quoting reference 21000299569.
You can also contact the independent charity Crimestoppers anonymously on 0800 555 111 or via their online form at: https://crimestoppers-uk.org/give-information/give-information.
