The Delhi police has sent investigators to four cities in the country to trace the money trail in the Indian Premier League spot-fixing case.

According to sources, teams have been sent to Ahmedabad, Kolkata, Mumbai and Hyderabad in this connection.

Sreesanth and the other two cricketers -- Ankit Chavan and Ajit Chandila-- were arrested in in Mumbai on Thursday by the Delhi police for spot-fixing IPL matches for payments of up to Rs 60 lakh just for giving away pre-determined number of runs in an over.

According to police sources, Chandila allegedly got Rs 20 lakh for spot-fixing.