A Montgomery County grand jury yesterday indicted a Centreville man on kidnaping, false imprisonment, assault and handgun charges stemming from the night-long siege last month at the Mormon Temple in Kensington in which two church members were held hostage.

Clarence Leake, 29, is accused of holding a church worker and an unarmed security guard hostage in a 12-hour standoff that brought more than 50 police officers to the marble and gilt structure off the Capital Beltway. No one was hurt in the incident.

The indictment charges Leake with one count of kidnaping, two counts of false imprisonment, two counts of assault and one count of use of a handgun in a crime of violence.

Leake faces up to 30 years in prison if convicted on the kidnaping charge and up to 20 years on the handgun charge. He remains free on $ 50,000 bond.

Leake allegedly used an expired pass the evening of Oct. 22 to enter the temple, then at gunpoint ordered a man to take him to the seventh floor, where he also took hostage an unarmed security guard.

He allegedly placed ammunition in the middle of the temple's large, ornate Solemn Assembly room, and during the next few hours listened to the World Series on a radio he had brought and spoke of bombs he said he had planted in the seven-story temple. Leake freed one hostage after becoming concerned that the man seemed pale.

He made no demands except to request breakfast, which he did not eat. Shortly before 9 a.m., he surrendered quietly to police, walking out with the remaining hostage.

Arraignment is set for Dec. 12, his attorney Thomas M. Barse said.

Leake also is expected to be arraigned next month in Fairfax County on embezzlement charges stemming from an unrelated incident.