Search efforts continue at petrol station blast site as three deaths confirmed

The transcript describes a tragic event involving an explosion at a local shop in Chrysler, which has deeply affected the community. Emergency services and local responders are working tirelessly, while the community is in shock and clinging to hope. The speaker appeals for prayers and support from across the country to help them through this difficult time.

What does the speaker mean by 'clinging onto hope'?

How are the emergency services described in their response to the incident?