1.   No one was injured and workers outside the plant said the fire had started after plastic boxes placed near a huge lamp melted and then ignited the blaze.

2.   Workers said the fire started early Wednesday after plastic boxes placed near a huge lamp melted and then ignited.

3.   Workers said the fire started early Wednesday after plastic boxes placed near a huge lamp melted and then ignited the blaze.

4.   Workers said it started when plastic boxes placed near a huge lamp melted and then ignited.