Palestinian Authority police arrested three men in Qalqiliya on Saturday, on suspicion of a stabbing attack earlier in the day. Three men stabbed the victim in the head and stomach with a knife, and beat him with rocks and sticks, in the northern West Bank city on Saturday, a police press statement said. He is in a serious condition in Qalqiliya hospital. Police later seized three men in the city and transferred them for questioning, the statement said.