FIVE Ballarat men have been arrested in relation to an alleged home invasion at Murtoa.Police allege the unmasked offenders forced their way into a house and locked five teenagers in a bedroom before stealing electrical equipment including a television and computer games.The teenagers were also alleged to have been threatened with a knife, and one was punched in the face during the incident, police said.The alleged attack is believed to have taken place on Saturday.Stawell Police have travelled to Ballarat today to interview the men.