Police are holding a jobless man on suspicion of beating his wife and two daughters in Tai Po early yesterday. The girls are aged eight months and two years. The beating allegedly happened after the drunk man, 28, had a row with his wife, 21, at their home in Ting Kok Road at about 5am. The woman took her children to Tai Po police station. The three were slightly injured, police said, and were treated at Alice Ho Miu Ling Nethersole Hospital.