Two Eastern European men have been arrested in connection with the explosion near Aisha Mosque in Walsall last month.
The 25-year-old and 22-year-old were arrested just before 3pm today.
Police are searching an area of Talbot Way in Small Heath and as a precaution homes have been evacuated.
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A frosty start, followed by a cold and mainly sunny day.
Another dry, bright and cold day with many places seeing some sunshine.
Doctors across the region are campaigning to get more black and asian donors on the donor register.