The man allegedly asked a contact in the terror group for 180,000 to commit bomb attacks.
Oil is a crucial source of revenue for the Islamist militant group which uses the funds to carry out terrorist attacks.
Turkish authorities say they are near to identifying man suspected of killing 39 at Reina nightclub.
Gunman not believed to be among those detained.
The offensive to retake Mosul was launched in mid-October.
Minister for Security Ben Wallace has spoken about the ongoing threat from 'the enemy within'.
Pentagon spokesperson Peter Cook said they are doing all they can to track down the Islamic State chief.
Islamic State has carried out successful attacks across the world despite the Mosul campaign.
Police said further investigation showed man could not be 'contact person' for chief suspect Anis Amri.
Thousands rushed to fight jihadis in Mosul, but their friends and families are expected not to mourn.
The militant had reportedly been deployed to shore up defence of Tabqa Dam.
EU regulation passed in 2012 states HGVs come equipped with emergency braking systems.
The alleged victim, Hadil Yassin Abu al-Madi, was a resident of al-Yarmouk district in capital Damascus.
The Nashir Media Foundation posted a series of graphical images with inflammatory messages on a Telegram channel.
Iraqi army admit battle for Mosul could take months despite latest setback for Jihadists.
With Turkey hedging its bets and Jabhat al-Nusra left out, Moscow can plan its next move.
The 40-year-old Tunisian man was arrested on Wednesday morning in the Tempelhof district.
Father Tom Uzhunnalil was abducted in March during an Isis attack on an old-age home in Aden, Yemen.
Stephen Townsend said assisting Iraq army without causing them insult is their biggest challenge.
American general tells Reuters that a new offensive is being planned against the jihadi-held city.
The Jordanian, who was deported from the UK in 2013, has spoken out against Islamic State.
Two among four suspected militants were shot dead while two are in police custody.