At about 1.35pm, it is alleged an altercation occurred between a 71-year-old man and an 83-year-old man at an address on Landsborough Avenue.
It will also be alleged a 74-year-old woman, who attempted to intervene in the altercation, was punched in the face.
Police have charged an 83-year-old Scarborough man with one count each of attempted murder and serious assault.
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An 83-year-old man has been charged with attempted murder after allegedly slashing a neighbour with a knife and punching another neighbour in the face.
Police said a 71-year-old man and the accused started arguing outside a Landsborough Avenue home in Scarborough about 1.35pm on Thursday.
They alleged the older man slashed the 71-year-old with a knife, cutting his face and forearm. He was taken to hospital but his injuries were not considered life-threatening.
The 83-year-old man has been charged with attempted murder and serious assault. He was due to appear in Redcliffe Magistrates Court on Friday.
License this articleCrimeToby CrockfordTwitterToby Crockford is a breaking news reporter at the Brisbane Times