Police have confirmed that two Ukrainian men aged 22 and 25 have been arrested in relation to the explosions at mosques in Tipton and Walsall.
They are still being questioned on suspicion of being involved in the commission, preparation or instigation of an act of terrorism.
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Ahead of the conference, calls are growing for Midlands regions to have their own devolved powers to match those on offer to Scotland.
After a cool start, Sunday looks set to be a dry and bright day, with sunny spells.
Mainly dry with clear spells but possibly one or two light showers near coasts overnight, remaining largely dry on Sunday.