At least 15 people were wounded as the activists of Bangladesh Chhatra League (BCL) Chittagong unit clashed with the members of law enforcing agencies on Tuesday afternoon.The clash erupted when the police intercepted the activists of BCL as they tried to vandalise the construction works of a swimming pool at Chittagong Outer Stadium in Kazir Dewri area around 4.30 pm.The concern authority took a decision to build a swimming pool at the outer stadium. However, BCL Chittagong unit on Sunday gave 48-hour ultimatum to stop the construction works of the swimming pool.BCL tried to stop the construction works on Tuesday as the authority didn’t pay heed their ultimatum.