The Ullal police arrested a man and seized four lorries that were engaged in illegal sand extraction and transportation at Kotepura in Ullal CMC limits on Wednesday.
The arrested is Shaukath (35), a resident of Kotepura. All other accused have fled the spot.
Acting on a tip-off, the police conducted the raid and seized four lorries along with the sand and 2 two-wheelers. The police have booked cases against 15 people.