Nine small bombs exploded in the Bangladeshi capital Dhaka on Sunday, police said, after an opposition supporter was shot dead in clashes ahead of a fourth nationwide strike in eight days. Security was tight across the country with around 10,000 policemen deployed in Dhaka and most shops, offices and schools were shut amid tensions over the disappearance of an opposition leader. There was no damage or injuries from the explosions but one opposition supporter was shot dead elsewhere in clashes with ruling party activists late on Saturday, police said. Two of the nine homemade bombs were hurled at the Secretariat, home to several government ministries and offices, deputy commissioner of police Syed Nurul Islam told AFP. "Two unidentified youths drove motorbikes outside the Secretariat gate, stopped and then hurled two small bombs that exploded with loud noises, creating panic among officials," he said. The opposition Bangladesh Nationalist Party (BNP) has been leading angry protests since one of its leaders, Ilias Ali, went missing on April 17 in a case it believes was an abduction by the security forces. Five small bombs exploded at the start of the latest strike on Sunday at Mirpur in northern Dhaka and two more exploded in front of the opposition headquarters in the city, police officers told AFP. The BNP supporter who died on Saturday was hit by three bullets in the southern town of Lakshmipur during a fight between BNP and ruling Awami League party workers, police inspector Monirul Alam said. "He died of his wounds after he was rushed to a hospital," Alam told AFP, adding another person was also critically injured.