European countries plan to help free up shipping through the Strait of Hormuz, which includes sending mine-clearing and other military vessels - WSJ Live Paywalled I believe is the source
The Europeans once again attempting to make themselves relevant in probably the worst way possible.
PRES. TRUMP TOLD ADVISORS IN SITUATION ROOM THAT RESUMING BOMBING OR WALKING AWAY WAS RISKIER THAN EXTENDING BLOCKADE - WSJ
Looks like they're looking to extend this stalemate. The cynical interpretation is they simply need more time to prepare for whatever plans they have and don't want to or can't keep selling the deal is imminent lie.