# Amputations involving bone loss at Securitas Security Services USA, Inc.
> OSHA SIR `2025043628` · 4/18/2025 · CAMBRIDGE, MASSACHUSETTS
## Severity
- **1 amputation**
- **Body part:** Finger or thumb tip(s), nail(s)
- **Nature of injury:** Amputations involving bone loss
## Cause
- **Event:** Fall to lower level from collapsing structure or equipment  less than 6 feet
- **Source:** Chairs, single-person seating
- **Secondary source:** Source, secondary source  unspecified
## Employer
- **Name:** Securitas Security Services USA, Inc.
- **Location:** 28 DeWolfe Street, CAMBRIDGE, MASSACHUSETTS, 02138
- **NAICS:** 561612
- **Jurisdiction:** 1
## Narrative

An employee sat on a stack of three to four chairs when the stack collapsed and the tip of his right ring finger got caught between two chairs, resulting in surgical amputation of the fingertip.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*