Officials said no group claimed responsibility for the bombing, and there were no arrests.

No group has claimed credit for the bombing, which caused fires that spread to nearby businesses and at least one apartment house.

No group claimed responsibility for the bombing, and American military officials said they had no hard information about who planned or carried it out.

A Republican splinter group claimed responsibility for the bombing, which caused no casualties.

As usual, no group claimed responsibility for the bombing.

No one has claimed responsibility for the bombing, according to police.

Hours after the assassination attempt the group claimed responsibility for the bombing.

On 31 May, the organisation claimed responsibility for the bombing.

No one ever claims credit for the bombing, which remains unsolved.

No organization claimed responsibility for the bombing, but tonight the police said they suspected two Sikh groups.