KARACHI, Sept. 23 (Xinhuanet)-- Pakistani intelligence agencies raided a religious seminary in Karachi and arrested four foreign students Tuesday, said provincial interior ministry officials.

　　This brought to 12 the number of foreign religious students arrested in the past week. The students are being interrogated in Karachi for breaking the country's immigration law.

　　Among the 21 is the brother of Hambali, the alleged regional leader of the al-Qaeda in Southeast Asia. Enditem