JAKARTA, Indonesia (AP) _ A small explosive device blew up in a Jakarta hotel hallway Friday _ the second blast in the capital within 24 hours. There were no casualties, police and witnesses said.

Lt. Col. Nur Usman, a spokesman for the Jakarta police, said the device blew up on the fifth floor of the Omni Batavia Hotel, breaking glass and causing other damage in a corridor. Hotel guests said the building, in the Chinatown district of northern Jakarta, was evacuated.

``The whole building shook and I could see debris falling from my window,'' said Charlie Stevens, an Australian businessmen.

Late Thursday, a hand grenade exploded outside the home of the Jakarta governor, media reports said. The blast slightly injured a watchman at the residence and caused minor damage.

The governor, Sutiyoso, lives in an area that is home to many top government officials and foreign envoys. Former president Suharto's house is nearby.

Meanwhile, a plane belonging to state-owned Garuda Indonesia was grounded after officials received a call saying it had a bomb on it, Antara news agency reported. Police were guarding the plane on Batam island, south of Singapore, while waiting for bomb squad officers to arrive early Saturday.

The incidents follow a spate of bombings in the city in recent months. A car bomb triggered a fire in the basement of the Jakarta Stock Exchange in September, killing 15 people. Another blew up in August outside the Philippine ambassador's house, killing two people and injuring the envoy.