Police arrested the owner of ‘Mayur-2’ launch from his residence in city’s Sobhanbagh area early Thursday in connection with the launch capsize in the Buriganga River that claimed 34 lives on June 29.   Rezaul Karim Bhuiya, sub-inspector of Sadarghat River Police Station, said a team of police arrested Mosaddek, 55, from his residence around 3 am.   He will be produced before a court with seven-day remand prayer.