Mercer Island Police

The official Twitter account for the City of Mercer Island's Police Department. This site is not monitored 24/7. For all emergencies, dial 911.

[Mercer Island Police @MercerIslandPD]

Kudos to MIPD Officer Tranter, Sgt Herzog, Corporal Robinson & Officer Johnson! During a joint training, they sprang into action to rescue a man who fell through lake ice. Real-life heroics! 👏 Read the story & watch the video: https://t.co/qB8gOOoXJA

[City of Mercer Island @mercergov]

Major I-90 Eastbound on-ramp closures begin TODAY at 8 PM. WSDOT is closing the East Mercer Way on-ramp for 6-8 days and the HOV on-ramp at 80th Ave. SE for 16 days. Expect major delays and consider minimizing trips. Learn more: https://t.co/nwzDEjEg1N

[Mercer Island Police @MercerIslandPD]

We have formally referred charges to the King County Prosecuting Attorney's Office in connection with the January 1, 2025 vandalism at Islander Middle School. The full announcement can be read here: https://t.co/M3YPeZqOPV

[Mercer Island Police @MercerIslandPD]

Anyone who may have information or may recognize these persons should report tips by email ([email protected]) or by calling 206-275-7955.

Please DO NOT report tips to us on social media - direct all information to the contact info above.

[Mercer Island Police @MercerIslandPD]

We are asking the public to help identify two suspects as part of our investigation into hate-based vandalism at the Islander Middle School campus last week. Learn more here: https://t.co/lnzOWuGdVK

[City of Mercer Island @mercergov]

Look familiar? @MercerIslandPD is asking the public to help identify two suspects as part of its investigation into hate-based vandalism that occurred at the Islander Middle School campus last week.

Anyone who may have information or may recognize these persons should report tips by email ([email protected]) or by calling 206-275-7955.

Please DO NOT report tips to us on social media - direct all information to the contact info above.

Learn more here: https://t.co/Psun3B8qav

[Mercer Island Police @MercerIslandPD]

At approximately 11:30 a.m., MIPD responded to a 911 caller who stated they had just been robbed at gunpoint near the Mercer Island Thrift Store. No one was injured and the suspect fled. Detectives are following several leads in this ongoing investigation.

[Mercer Island Police @MercerIslandPD]

Update: Both directions of I-90 are now open. Please be patient as traffic congestion will take time to resolve.

[Mercer Island Police @MercerIslandPD]

Large police presence. Please avoid the area. MIPD is assisting Bellevue Police Department with an incident near I-90 and East Mercer Way. There is no threat to the public. Expect traffic delays.

[Mercer Island Police @MercerIslandPD]

Update: Both directions of I-90 are now open. Please be patient as traffic congestion will take time to resolve.

[Mercer Island Police @MercerIslandPD]

Large police presence. Please avoid the area. MIPD is assisting Bellevue Police Department with an incident near I-90 and East Mercer Way. There is no threat to the public. Expect traffic delays.

[Mercer Island Police @MercerIslandPD]

Police and Fire are currently responding to a three-vehicle collision in the 4600 block of Island Crest Way. All NB traffic on Island Crest Way is currently stopped while Police and Fire attend to the occupants of the vehicles. Tows have been requested.

[Mercer Island Police @MercerIslandPD]

Another collision today has caused long backups on eastbound I-90 even though the scene is clear. Please be patient and drive safely. Follow @wsdot_traffic for updates.

[WSDOT Traffic @wsdot_traffic]

CLEAR: This incident on eastbound I-90 in the Mercer Island tunnel has cleared. All lanes are open.

However, traffic backup is over 3 miles, so expect delays as traffic moves through the area. This is from the I-90 bridge just west of the incident.

[Mercer Island Police @MercerIslandPD]

Update: Westbound lanes are now clear and open.

[Mercer Island Police @MercerIslandPD]

*EXTENDED ROAD CLOSURE* Westbound lanes of I-90 are closed due to a collision- causing a backup 3 miles long. Follow @wsdot_traffic for updates.

[WSDOT Traffic @wsdot_traffic]

The backup from the crash on WB I-90 west of the #MercerIsland Tunnel is now about 3 miles long.

This likely willbe a lengthy closure, so please use alternate routes.

[WSDOT Traffic @wsdot_traffic]

CLEARED: All WB lanes of I-90 have reopened after an earlier crash just west of the #MercerIsland Tunnel.

[WSDOT Traffic @wsdot_traffic]

UPDATE: On the EB I-90 off-ramp to I-405 in #Bellevue, the collision is still partially blocking the ramp. Police, Fire, and the Incident Response Team are on scene.

This could take a while, so expect long delays and drive with caution.
@mercergov @BvueTrans

[WSDOT Traffic @wsdot_traffic]

Don't make this Seafair weekend be SeaUNfair! 😱
Expect major travel delays along all interstates & roads around Lake WA Thursday-Sunday.⚠️

The I-90 bridge between Seattle & Mercer Island will be OPEN during the air show.✈️
Leave early/leave late to make your travel smooth!✅

[Mercer Island Police @MercerIslandPD]

Come get the scoop from MIPD leadership about what we are seeing in crime trends and crime prevention steps you should be taking. National Night Out - Tues, Aug 6, at the MI Community Center. Meet the new Chief, Chris Sutter. Most importantly: there will be ice cream.

[The Bellevue Police Department (WA) @BvuePD]

Stranger Danger: Bellevue Police ask residents to stay vigilant following street thefts targeting older residents https://t.co/xccbyTOK9N

[MercerIslandReporter @MIReporter]

With a pair of veteran Mercer Island Police Department (MIPD) officers retiring in June, Mercer Island City Council has authorized... https://t.co/w0o1oMiyuf