Police are searching for a convicted murderer and a people trafficking suspect with links to Haringey.
The investigations are part of a new Metropolitan Police initiative appealing for the public's help tracing foreign nationals wanted by authorities across Europe and potentially hiding in the UK.
Silviu-Bogdan Bruzlea, 27, is wanted in his home country of Romania for murder after being given a 20-year sentence in his absence.
In September 2007 Bruzlea’s girlfriend and another man had an argument in the Tiga nightclub in Hunedoara.
Bruzlea and his friends followed the victim as he made his way home with others and repeatedly beat him with a baseball bat to the head and body for ten minutes.
The man was taken to hospital after the attack but died from his injuries three days later.
After attacking the man Bruzlea and the others turned on his friends and around 15 minutes later they attacked a group of strangers with the baseball bat.
Bruzlea is a Romanian national who has links to Hackney and Haringey.
The other man is Octavian Medeleanu, 52, also from Romania, who is wanted in connection with people trafficking.
Between July 2006 and July 2007 a number of women were threatened with violence and trafficked to the UK where they were sexually exploited and forced into prostitution.
Police want to speak to Medeleanu in connection with this investigation.
He has been linked to the London boroughs of Barking and Dagenham, Newham and Haringey.
The police have warned the public not to approach these men if they see them and call 999 immediately.
Detective sergeant Peter Rance of the MPS Extradition Unit leading Operation Sunfire said: "We believe that these people are dangerous, so taking them out of our communities and putting them before the courts is of paramount importance.
"I urge the public to look closely at these pictures. Do you recognise these men? It may be that they live next door to you, or you see them regularly elsewhere in your community.
"If you have information on their whereabouts, please tell Crimestoppers, so that we can arrest them. If you see them, call 999 and do not approach them."
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