POLICE have launched an arson probe after two men were caught up in a 'deliberate' basement fire at an address in Buckfastleigh.Officers have confirmed that the incident at a two-storey property in Chapel Street has been crime-logged as 'arson with intent to endanger life'.Inquiries were being pursued this week after fire investigators who examined the circumstances of the incident on Sunday morning later expressed their suspicions to police in Ashburton.