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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Breezy and rather cloudy this evening and overnight.
Mainly dry to start with some clear spells but remaining windy and mild.
Bright and blustery conditions with a few scattered showers.